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56753786880 = 212325743987
BaseRepresentation
bin110100110110110010…
…100001000000000000
312102111021021002111200
4310312302201000000
51412212432140010
642023342341200
74046261141340
oct646662410000
9172437232450
1056753786880
11220840400aa
12abba88a800
13547605ab1b
142a656b8d20
151722776cc0
hexd36ca1000

56753786880 has 312 divisors, whose sum is σ = 224830761792. Its totient is φ = 12971999232.

The previous prime is 56753786807. The next prime is 56753786897. The reversal of 56753786880 is 8868735765.

56753786880 is a `hidden beast` number, since 567 + 5 + 3 + 7 + 8 + 68 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1268247 + ... + 1312233.

It is an arithmetic number, because the mean of its divisors is an integer number (720611416).

Almost surely, 256753786880 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 56753786880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112415380896).

56753786880 is an abundant number, since it is smaller than the sum of its proper divisors (168076974912).

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

56753786880 is a wasteful number, since it uses less digits than its factorization.

56753786880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44029 (or 44004 counting only the distinct ones).

The product of its (nonzero) digits is 67737600, while the sum is 63.

The spelling of 56753786880 in words is "fifty-six billion, seven hundred fifty-three million, seven hundred eighty-six thousand, eight hundred eighty".