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56724369408 = 2123272311013
BaseRepresentation
bin110100110101000010…
…010011000000000000
312102102012220112022200
4310311002103000000
51412132414310113
642020412033200
74045453120200
oct646502230000
9172365815280
1056724369408
1122069478343
12abb0a62800
13546cc2b035
142a6181c400
15171edb5873
hexd35093000

56724369408 has 468 divisors, whose sum is σ = 196944141888. Its totient is φ = 15668674560.

The previous prime is 56724369407. The next prime is 56724369433. The reversal of 56724369408 is 80496342765.

56724369408 is a `hidden beast` number, since 56 + 72 + 436 + 94 + 0 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (56724369407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 55995910 + ... + 55996922.

It is an arithmetic number, because the mean of its divisors is an integer number (420820816).

Almost surely, 256724369408 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 56724369408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98472070944).

56724369408 is an abundant number, since it is smaller than the sum of its proper divisors (140219772480).

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

56724369408 is a wasteful number, since it uses less digits than its factorization.

56724369408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1088 (or 1056 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 54.

The spelling of 56724369408 in words is "fifty-six billion, seven hundred twenty-four million, three hundred sixty-nine thousand, four hundred eight".