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56425505472 = 2633722572593
BaseRepresentation
bin110100100011001110…
…001110001011000000
312101122101112200002000
4310203032032023000
51411024412133342
641531014224000
74035163611600
oct644316161300
9171571480060
1056425505472
1121a257aa456
12ab28955000
13542303a37b
142a33c62c00
151703a2d44c
hexd2338e2c0

56425505472 has 336 divisors, whose sum is σ = 193788609120. Its totient is φ = 16052649984.

The previous prime is 56425505467. The next prime is 56425505473. The reversal of 56425505472 is 27450552465.

56425505472 is a `hidden beast` number, since 5 + 6 + 42 + 550 + 54 + 7 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (336).

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (56425505473) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21759408 + ... + 21762000.

Almost surely, 256425505472 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 56425505472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96894304560).

56425505472 is an abundant number, since it is smaller than the sum of its proper divisors (137363103648).

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

56425505472 is a wasteful number, since it uses less digits than its factorization.

56425505472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2885 (or 2862 counting only the distinct ones).

The product of its (nonzero) digits is 1680000, while the sum is 45.

The spelling of 56425505472 in words is "fifty-six billion, four hundred twenty-five million, five hundred five thousand, four hundred seventy-two".