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157396790670 = 23572293272963
BaseRepresentation
bin1001001010010110010…
…1000110110110001110
3120001021020211102010120
42102211211012312032
510034322034300140
6200150155245410
714241303434430
oct2224545066616
9501236742116
10157396790670
116082a426499
1226607a49866
1311ac4b41c82
147891cb8650
1541631761d0
hex24a5946d8e

157396790670 has 64 divisors (see below), whose sum is σ = 433602270720. Its totient is φ = 35819296128.

The previous prime is 157396790657. The next prime is 157396790687. The reversal of 157396790670 is 76097693751.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1588392 + ... + 1684571.

It is an arithmetic number, because the mean of its divisors is an integer number (6775035480).

Almost surely, 2157396790670 is an apocalyptic number.

157396790670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157396790670 is an abundant number, since it is smaller than the sum of its proper divisors (276205480050).

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

157396790670 is a wasteful number, since it uses less digits than its factorization.

157396790670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3273209.

The product of its (nonzero) digits is 15002820, while the sum is 60.

The spelling of 157396790670 in words is "one hundred fifty-seven billion, three hundred ninety-six million, seven hundred ninety thousand, six hundred seventy".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 229 458 687 1145 1374 1603 2290 3206 3435 4809 6870 8015 9618 16030 24045 48090 3272963 6545926 9818889 16364815 19637778 22910741 32729630 45821482 49094445 68732223 98188890 114553705 137464446 229107410 343661115 687322230 749508527 1499017054 2248525581 3747542635 4497051162 5246559689 7495085270 10493119378 11242627905 15739679067 22485255810 26232798445 31479358134 52465596890 78698395335 157396790670