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157936973000 = 2353157936973
BaseRepresentation
bin1001001100010111000…
…1101111010011001000
3120002122220021111222112
42103011301233103020
510041423331114000
6200315533241452
714260553056142
oct2230561572310
9502586244875
10157936973000
1160a87338474
1226738933288
1311b7ca258a1
14790392dc92
1541957ca235
hex24c5c6f4c8

157936973000 has 32 divisors (see below), whose sum is σ = 369572519160. Its totient is φ = 63174788800.

The previous prime is 157936972979. The next prime is 157936973003. The reversal of 157936973000 is 379639751.

It can be written as a sum of positive squares in 4 ways, for example, as 97185568516 + 60751404484 = 311746^2 + 246478^2 .

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a self number, because there is not a number n which added to its sum of digits gives 157936973000.

It is not an unprimeable number, because it can be changed into a prime (157936973003) 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, 78967487 + ... + 78969486.

Almost surely, 2157936973000 is an apocalyptic number.

157936973000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157936973000 is an abundant number, since it is smaller than the sum of its proper divisors (211635546160).

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

157936973000 is a wasteful number, since it uses less digits than its factorization.

157936973000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157936994 (or 157936980 counting only the distinct ones).

The product of its (nonzero) digits is 1071630, while the sum is 50.

The spelling of 157936973000 in words is "one hundred fifty-seven billion, nine hundred thirty-six million, nine hundred seventy-three thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 1000 157936973 315873946 631747892 789684865 1263495784 1579369730 3158739460 3948424325 6317478920 7896848650 15793697300 19742121625 31587394600 39484243250 78968486500 157936973000