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145011464040 = 233517167425653
BaseRepresentation
bin1000011100001101011…
…0110101011101101000
3111212022002122122000110
42013003112311131220
54333440413322130
6150341202534320
713322343051432
oct2070326653550
9455262578013
10145011464040
1156554211263
12241300673a0
131089cc05931
147039035652
153b8ab8eab0
hex21c35b5768

145011464040 has 128 divisors (see below), whose sum is σ = 463383970560. Its totient is φ = 36177014784.

The previous prime is 145011464033. The next prime is 145011464041. The reversal of 145011464040 is 40464110541.

145011464040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 145011463989 and 145011464007.

It is not an unprimeable number, because it can be changed into a prime (145011464041) 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, 127854 + ... + 553506.

It is an arithmetic number, because the mean of its divisors is an integer number (3620187270).

Almost surely, 2145011464040 is an apocalyptic number.

145011464040 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 145011464040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (231691985280).

145011464040 is an abundant number, since it is smaller than the sum of its proper divisors (318372506520).

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

145011464040 is a wasteful number, since it uses less digits than its factorization.

145011464040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425851 (or 425847 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

Adding to 145011464040 its reverse (40464110541), we get a palindrome (185475574581).

The spelling of 145011464040 in words is "one hundred forty-five billion, eleven million, four hundred sixty-four thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 17 20 24 30 34 40 51 60 68 85 102 120 136 167 170 204 255 334 340 408 501 510 668 680 835 1002 1020 1336 1670 2004 2040 2505 2839 3340 4008 5010 5678 6680 8517 10020 11356 14195 17034 20040 22712 28390 34068 42585 56780 68136 85170 113560 170340 340680 425653 851306 1276959 1702612 2128265 2553918 3405224 4256530 5107836 6384795 7236101 8513060 10215672 12769590 14472202 17026120 21708303 25539180 28944404 36180505 43416606 51078360 57888808 71084051 72361010 86833212 108541515 142168102 144722020 173666424 213252153 217083030 284336204 289444040 355420255 426504306 434166060 568672408 710840510 853008612 868332120 1066260765 1208428867 1421681020 1706017224 2132521530 2416857734 2843362040 3625286601 4265043060 4833715468 6042144335 7250573202 8530086120 9667430936 12084288670 14501146404 18126433005 24168577340 29002292808 36252866010 48337154680 72505732020 145011464040