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5257315131 = 313719964279
BaseRepresentation
bin1001110010101110…
…00100001100111011
3111120101120021120020
410321113010030323
541231333041011
62225402301523
7244165304235
oct47127041473
914511507506
105257315131
112258687742
1210287b78a3
1365a262a73
1437c323255
1520b833006
hex1395c433b

5257315131 has 16 divisors (see below), whose sum is σ = 7096512000. Its totient is φ = 3461755968.

The previous prime is 5257315123. The next prime is 5257315139. The reversal of 5257315131 is 1315137525.

It is an interprime number because it is at equal distance from previous prime (5257315123) and next prime (5257315139).

It is not a de Polignac number, because 5257315131 - 23 = 5257315123 is a prime.

It is a super-2 number, since 2×52573151312 = 55278724773283094322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5257315092 and 5257315101.

It is not an unprimeable number, because it can be changed into a prime (5257315139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49650 + ... + 113928.

It is an arithmetic number, because the mean of its divisors is an integer number (443532000).

Almost surely, 25257315131 is an apocalyptic number.

5257315131 is a deficient number, since it is larger than the sum of its proper divisors (1839196869).

5257315131 is a wasteful number, since it uses less digits than its factorization.

5257315131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64618.

The product of its digits is 15750, while the sum is 33.

The square root of 5257315131 is about 72507.3453589359. The cubic root of 5257315131 is about 1738.8201729031.

The spelling of 5257315131 in words is "five billion, two hundred fifty-seven million, three hundred fifteen thousand, one hundred thirty-one".

Divisors: 1 3 137 199 411 597 27263 64279 81789 192837 8806223 12791521 26418669 38374563 1752438377 5257315131