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5157646431 = 372318795683
BaseRepresentation
bin1001100110110101…
…10111000001011111
3111022110000120210220
410303122313001133
541030324141211
62211442132423
7241545162030
oct46332670137
914273016726
105157646431
1122073a2113
12bbb351113
13642706cc2
1436cdbaa87
15202be6806
hex1336b705f

5157646431 has 32 divisors (see below), whose sum is σ = 8206786560. Its totient is φ = 2817090144.

The previous prime is 5157646423. The next prime is 5157646447. The reversal of 5157646431 is 1346467515.

It is not a de Polignac number, because 5157646431 - 23 = 5157646423 is a prime.

It is a super-2 number, since 2×51576464312 = 53202633414414075522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5157646451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 904716 + ... + 910398.

It is an arithmetic number, because the mean of its divisors is an integer number (256462080).

Almost surely, 25157646431 is an apocalyptic number.

5157646431 is a deficient number, since it is larger than the sum of its proper divisors (3049140129).

5157646431 is a wasteful number, since it uses less digits than its factorization.

5157646431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7595.

The product of its digits is 302400, while the sum is 42.

The square root of 5157646431 is about 71816.7559208852. The cubic root of 5157646431 is about 1727.7617518779.

The spelling of 5157646431 in words is "five billion, one hundred fifty-seven million, six hundred forty-six thousand, four hundred thirty-one".

Divisors: 1 3 7 21 23 69 161 483 1879 5637 5683 13153 17049 39459 39781 43217 119343 129651 130709 302519 392127 907557 914963 2744889 10678357 32035071 74748499 224245497 245602211 736806633 1719215477 5157646431