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157923947395 = 51941213718973
BaseRepresentation
bin1001001100010100000…
…0000011001110000011
3120002121222202202012201
42103011000003032003
510041412012304040
6200314350134031
714260334255464
oct2230500031603
9502558682181
10157923947395
1160a7aa51105
12267344b1317
1311b7a114b26
147901cdcd6b
1541945a5a9a
hex24c5003383

157923947395 has 32 divisors (see below), whose sum is σ = 204454716480. Its totient is φ = 116709672960.

The previous prime is 157923947393. The next prime is 157923947417. The reversal of 157923947395 is 593749329751.

It is not a de Polignac number, because 157923947395 - 21 = 157923947393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (157923947393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8314129 + ... + 8333101.

It is an arithmetic number, because the mean of its divisors is an integer number (6389209890).

Almost surely, 2157923947395 is an apocalyptic number.

157923947395 is a deficient number, since it is larger than the sum of its proper divisors (46530769085).

157923947395 is a wasteful number, since it uses less digits than its factorization.

157923947395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21175.

The product of its digits is 64297800, while the sum is 64.

The spelling of 157923947395 in words is "one hundred fifty-seven billion, nine hundred twenty-three million, nine hundred forty-seven thousand, three hundred ninety-five".

Divisors: 1 5 19 41 95 205 779 2137 3895 10685 18973 40603 87617 94865 203015 360487 438085 777893 1664723 1802435 3889465 8323615 14779967 40545301 73899835 202726505 770360719 1662357341 3851803595 8311786705 31584789479 157923947395