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157229292930 = 2355988830109
BaseRepresentation
bin1001001001101110011…
…0001001110110000010
3120000211120122122102120
42102123212021312002
510034001144333210
6200121413225110
714234200640013
oct2223346116602
9500746578376
10157229292930
1160753922a06
122657b932196
1311a99227898
14787795700a
1541535dc270
hex249b989d82

157229292930 has 32 divisors (see below), whose sum is σ = 383746075200. Its totient is φ = 41217170112.

The previous prime is 157229292889. The next prime is 157229292931. The reversal of 157229292930 is 39292922751.

It is not an unprimeable number, because it can be changed into a prime (157229292931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44413285 + ... + 44416824.

It is an arithmetic number, because the mean of its divisors is an integer number (11992064850).

Almost surely, 2157229292930 is an apocalyptic number.

157229292930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157229292930 is an abundant number, since it is smaller than the sum of its proper divisors (226516782270).

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

157229292930 is a wasteful number, since it uses less digits than its factorization.

157229292930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88830178.

The product of its (nonzero) digits is 1224720, while the sum is 51.

The spelling of 157229292930 in words is "one hundred fifty-seven billion, two hundred twenty-nine million, two hundred ninety-two thousand, nine hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 59 118 177 295 354 590 885 1770 88830109 177660218 266490327 444150545 532980654 888301090 1332451635 2664903270 5240976431 10481952862 15722929293 26204882155 31445858586 52409764310 78614646465 157229292930