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157193613880 = 2356373616639
BaseRepresentation
bin1001001001100101111…
…0000011001000111000
3120000202002111221222021
42102121132003020320
510033413031121010
6200114100404224
714233255446322
oct2223136031070
9500662457867
10157193613880
1160735773796
122656b9a6674
1311a91a14a14
147872d0a612
1541503e08da
hex2499783238

157193613880 has 32 divisors (see below), whose sum is σ = 353741702400. Its totient is φ = 62867477376.

The previous prime is 157193613869. The next prime is 157193613883. The reversal of 157193613880 is 88316391751.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157193613883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53400 + ... + 563239.

It is an arithmetic number, because the mean of its divisors is an integer number (11054428200).

Almost surely, 2157193613880 is an apocalyptic number.

157193613880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157193613880 is an abundant number, since it is smaller than the sum of its proper divisors (196548088520).

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

157193613880 is a wasteful number, since it uses less digits than its factorization.

157193613880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623023 (or 623019 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 52.

The spelling of 157193613880 in words is "one hundred fifty-seven billion, one hundred ninety-three million, six hundred thirteen thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 6373 12746 25492 31865 50984 63730 127460 254920 616639 1233278 2466556 3083195 4933112 6166390 12332780 24665560 3929840347 7859680694 15719361388 19649201735 31438722776 39298403470 78596806940 157193613880