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145219766160 = 24357719120223
BaseRepresentation
bin1000011100111111000…
…1011100011110010000
3111212211121121110210210
42013033301130132100
54334402230004120
6150414003324120
713330452434310
oct2071761343620
9455747543723
10145219766160
1156650854777
1224189980640
1310904108a21
147058979440
153b9e0d8ce0
hex21cfc5c790

145219766160 has 160 divisors (see below), whose sum is σ = 515212738560. Its totient is φ = 33146648064.

The previous prime is 145219766129. The next prime is 145219766161. The reversal of 145219766160 is 61667912541.

145219766160 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1452197661602 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (145219766161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1147809 + ... + 1268031.

It is an arithmetic number, because the mean of its divisors is an integer number (3220079616).

Almost surely, 2145219766160 is an apocalyptic number.

145219766160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145219766160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (257606369280).

145219766160 is an abundant number, since it is smaller than the sum of its proper divisors (369992972400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145219766160 is a wasteful number, since it uses less digits than its factorization.

145219766160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120965 (or 120959 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 48.

The spelling of 145219766160 in words is "one hundred forty-five billion, two hundred nineteen million, seven hundred sixty-six thousand, one hundred sixty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 35 40 42 48 56 60 70 80 84 105 112 120 140 168 210 240 280 336 420 560 719 840 1438 1680 2157 2876 3595 4314 5033 5752 7190 8628 10066 10785 11504 14380 15099 17256 20132 21570 25165 28760 30198 34512 40264 43140 50330 57520 60396 75495 80528 86280 100660 120223 120792 150990 172560 201320 240446 241584 301980 360669 402640 480892 601115 603960 721338 841561 961784 1202230 1207920 1442676 1683122 1803345 1923568 2404460 2524683 2885352 3366244 3606690 4207805 4808920 5049366 5770704 6732488 7213380 8415610 9617840 10098732 12623415 13464976 14426760 16831220 20197464 25246830 28853520 33662440 40394928 50493660 67324880 86440337 100987320 172880674 201974640 259321011 345761348 432201685 518642022 605082359 691522696 864403370 1037284044 1210164718 1296605055 1383045392 1728806740 1815247077 2074568088 2420329436 2593210110 3025411795 3457613480 3630494154 4149136176 4840658872 5186420220 6050823590 6915226960 7260988308 9076235385 9681317744 10372840440 12101647180 14521976616 18152470770 20745680880 24203294360 29043953232 36304941540 48406588720 72609883080 145219766160