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56387426470 = 2513143043837
BaseRepresentation
bin110100100000111100…
…111101100010100110
312101112201220001111121
4310200330331202212
51410440140121340
641523134124154
74034222134234
oct644074754246
9171481801447
1056387426470
1121a06261101
12ab1805065a
13541819700b
142a2cb8d954
15170050a94a
hexd20f3d8a6

56387426470 has 16 divisors (see below), whose sum is σ = 102272159088. Its totient is φ = 22382794720.

The previous prime is 56387426467. The next prime is 56387426479. The reversal of 56387426470 is 7462478365.

56387426470 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×563874264703 (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56387426479) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21520609 + ... + 21523228.

It is an arithmetic number, because the mean of its divisors is an integer number (6392009943).

Almost surely, 256387426470 is an apocalyptic number.

56387426470 is a deficient number, since it is larger than the sum of its proper divisors (45884732618).

56387426470 is a wasteful number, since it uses less digits than its factorization.

56387426470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43043975.

The product of its (nonzero) digits is 6773760, while the sum is 52.

The spelling of 56387426470 in words is "fifty-six billion, three hundred eighty-seven million, four hundred twenty-six thousand, four hundred seventy".

Divisors: 1 2 5 10 131 262 655 1310 43043837 86087674 215219185 430438370 5638742647 11277485294 28193713235 56387426470