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56901470480 = 245711268381
BaseRepresentation
bin110100111111100101…
…111000100100010000
312102212120011012022122
4310333211320210100
51413013234023410
642050135553412
74053033342641
oct647745704420
9172776135278
1056901470480
112214a43aa68
12b04022b868
13549a82857a
142a7b15d6c8
1517306e9e55
hexd3f978910

56901470480 has 20 divisors (see below), whose sum is σ = 132295919052. Its totient is φ = 22760588160.

The previous prime is 56901470449. The next prime is 56901470513. The reversal of 56901470480 is 8407410965.

56901470480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 22677950464 + 34223520016 = 150592^2 + 184996^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×569014704802 (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 355634111 + ... + 355634270.

Almost surely, 256901470480 is an apocalyptic number.

It is an amenable number.

56901470480 is an abundant number, since it is smaller than the sum of its proper divisors (75394448572).

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

56901470480 is a wasteful number, since it uses less digits than its factorization.

56901470480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711268394 (or 711268388 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 44.

The spelling of 56901470480 in words is "fifty-six billion, nine hundred one million, four hundred seventy thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 711268381 1422536762 2845073524 3556341905 5690147048 7112683810 11380294096 14225367620 28450735240 56901470480