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5657523808 = 252323110781
BaseRepresentation
bin1010100010011011…
…01111011001100000
3112121021121222122211
411101031233121200
543041311230213
62333220211504
7260125105336
oct52115573140
915537558584
105657523808
112443585412
12111a839b94
136c2148331
143b953db56
15231a3853d
hex15136f660

5657523808 has 72 divisors (see below), whose sum is σ = 12020291136. Its totient is φ = 2618246400.

The previous prime is 5657523793. The next prime is 5657523811. The reversal of 5657523808 is 8083257565.

It is a happy number.

It is a super-3 number, since 3×56575238083 (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 519378 + ... + 530158.

It is an arithmetic number, because the mean of its divisors is an integer number (166948488).

Almost surely, 25657523808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5657523808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6010145568).

5657523808 is an abundant number, since it is smaller than the sum of its proper divisors (6362767328).

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

5657523808 is a wasteful number, since it uses less digits than its factorization.

5657523808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10868 (or 10837 counting only the distinct ones).

The product of its (nonzero) digits is 2016000, while the sum is 49.

The square root of 5657523808 is about 75216.5128678537. The cubic root of 5657523808 is about 1781.8677327454.

The spelling of 5657523808 in words is "five billion, six hundred fifty-seven million, five hundred twenty-three thousand, eight hundred eight".

Divisors: 1 2 4 8 16 23 31 32 46 62 92 124 184 248 368 496 529 713 736 992 1058 1426 2116 2852 4232 5704 8464 10781 11408 16399 16928 21562 22816 32798 43124 65596 86248 131192 172496 247963 262384 334211 344992 495926 524768 668422 991852 1336844 1983704 2673688 3967408 5347376 5703149 7686853 7934816 10694752 11406298 15373706 22812596 30747412 45625192 61494824 91250384 122989648 176797619 182500768 245979296 353595238 707190476 1414380952 2828761904 5657523808