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56787428270 = 2547911855413
BaseRepresentation
bin110100111000110010…
…110110001110101110
312102120121120020211002
4310320302312032232
51412300040201040
642030543400302
74050150114236
oct647062661656
9172517506732
1056787428270
11220a1028401
12b009bb3092
135480009381
142a69d54cc6
1517256bea15
hexd38cb63ae

56787428270 has 16 divisors (see below), whose sum is σ = 102430776960. Its totient is φ = 22667547744.

The previous prime is 56787428251. The next prime is 56787428287. The reversal of 56787428270 is 7282478765.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5922917 + ... + 5932496.

It is an arithmetic number, because the mean of its divisors is an integer number (6401923560).

Almost surely, 256787428270 is an apocalyptic number.

56787428270 is a deficient number, since it is larger than the sum of its proper divisors (45643348690).

56787428270 is a wasteful number, since it uses less digits than its factorization.

56787428270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11855899.

The product of its (nonzero) digits is 10536960, while the sum is 56.

The spelling of 56787428270 in words is "fifty-six billion, seven hundred eighty-seven million, four hundred twenty-eight thousand, two hundred seventy".

Divisors: 1 2 5 10 479 958 2395 4790 11855413 23710826 59277065 118554130 5678742827 11357485654 28393714135 56787428270