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145202738130 = 233529100918379
BaseRepresentation
bin1000011100111011000…
…0011111001111010010
3111212210102120100202000
42013032300133033102
54334333400110010
6150412154334430
713330154624022
oct2071660371722
9455712510660
10145202738130
115664218431a
122418412a416
1310900726278
1470565c5a82
153b9c8737c0
hex21cec1f3d2

145202738130 has 128 divisors (see below), whose sum is σ = 400978080000. Its totient is φ = 37346448384.

The previous prime is 145202738117. The next prime is 145202738141. The reversal of 145202738130 is 31837202541.

145202738130 is a `hidden beast` number, since 1 + 4 + 520 + 27 + 3 + 81 + 30 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7891281 + ... + 7909659.

It is an arithmetic number, because the mean of its divisors is an integer number (3132641250).

Almost surely, 2145202738130 is an apocalyptic number.

145202738130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 145202738130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200489040000).

145202738130 is an abundant number, since it is smaller than the sum of its proper divisors (255775341870).

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

145202738130 is a wasteful number, since it uses less digits than its factorization.

145202738130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19433 (or 19427 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The spelling of 145202738130 in words is "one hundred forty-five billion, two hundred two million, seven hundred thirty-eight thousand, one hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 29 30 45 54 58 87 90 135 145 174 261 270 290 435 522 783 870 1009 1305 1566 2018 2610 3027 3915 5045 6054 7830 9081 10090 15135 18162 18379 27243 29261 30270 36758 45405 54486 55137 58522 87783 90810 91895 110274 136215 146305 165411 175566 183790 263349 272430 275685 292610 330822 438915 496233 526698 532991 551370 790047 827055 877830 992466 1065982 1316745 1580094 1598973 1654110 2481165 2633490 2664955 3197946 3950235 4796919 4962330 5329910 7900470 7994865 9593838 14390757 15989730 18544411 23984595 28781514 37088822 47969190 55633233 71953785 92722055 111266466 143907570 166899699 185444110 278166165 333799398 500699097 537787919 556332330 834498495 1001398194 1075575838 1613363757 1668996990 2503495485 2688939595 3226727514 4840091271 5006990970 5377879190 8066818785 9680182542 14520273813 16133637570 24200456355 29040547626 48400912710 72601369065 145202738130