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157863932814 = 23724979150473
BaseRepresentation
bin1001001100000101101…
…1000111001110001110
3120002110210211200200110
42103001123013032032
510041301131322224
6200304403540450
714256005201040
oct2230133071616
9502423750613
10157863932814
1160a4a090285
122671838a726
1311b6a861343
1478d7d59a90
15418e19d929
hex24c16c738e

157863932814 has 32 divisors (see below), whose sum is σ = 360848689920. Its totient is φ = 45101875392.

The previous prime is 157863932813. The next prime is 157863932851. The reversal of 157863932814 is 418239368751.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157863932813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 973882 + ... + 1124354.

It is an arithmetic number, because the mean of its divisors is an integer number (11276521560).

Almost surely, 2157863932814 is an apocalyptic number.

157863932814 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

157863932814 is an abundant number, since it is smaller than the sum of its proper divisors (202984757106).

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

157863932814 is a wasteful number, since it uses less digits than its factorization.

157863932814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175464.

The product of its digits is 8709120, while the sum is 57.

The spelling of 157863932814 in words is "one hundred fifty-seven billion, eight hundred sixty-three million, nine hundred thirty-two thousand, eight hundred fourteen".

Divisors: 1 2 3 6 7 14 21 42 24979 49958 74937 149874 150473 174853 300946 349706 451419 524559 902838 1049118 1053311 2106622 3159933 6319866 3758665067 7517330134 11275995201 22551990402 26310655469 52621310938 78931966407 157863932814