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56497893312 = 2637237325037
BaseRepresentation
bin110100100111100010…
…010110111111000000
312101211102202100112010
4310213202112333000
51411201430041222
641542121532520
74040033112060
oct644742267700
9171742670463
1056497893312
1121a62651513
12ab49044140
135435033a03
142a3d7073a0
15170a07b80c
hexd27896fc0

56497893312 has 224 divisors, whose sum is σ = 180715871232. Its totient is φ = 15228297216.

The previous prime is 56497893299. The next prime is 56497893323. The reversal of 56497893312 is 21339879465.

56497893312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (224).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2244058 + ... + 2269094.

Almost surely, 256497893312 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 56497893312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90357935616).

56497893312 is an abundant number, since it is smaller than the sum of its proper divisors (124217977920).

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

56497893312 is a wasteful number, since it uses less digits than its factorization.

56497893312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25155 (or 25145 counting only the distinct ones).

The product of its digits is 9797760, while the sum is 57.

The spelling of 56497893312 in words is "fifty-six billion, four hundred ninety-seven million, eight hundred ninety-three thousand, three hundred twelve".