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56673545280 = 26351131374679
BaseRepresentation
bin110100110010000000…
…011010110001000000
312102021200021101201120
4310302000122301000
51412031411422110
642011354432240
74044265120662
oct646200326100
9172250241646
1056673545280
1122042814430
12ab97a32680
1354625447a1
142a58b8c532
15171a6c6870
hexd3201ac40

56673545280 has 448 divisors, whose sum is σ = 208149626880. Its totient is φ = 12933734400.

The previous prime is 56673545263. The next prime is 56673545323. The reversal of 56673545280 is 8254537665.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12109981 + ... + 12114659.

Almost surely, 256673545280 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 56673545280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104074813440).

56673545280 is an abundant number, since it is smaller than the sum of its proper divisors (151476081600).

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

56673545280 is a wasteful number, since it uses less digits than its factorization.

56673545280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4778 (or 4768 counting only the distinct ones).

The product of its (nonzero) digits is 6048000, while the sum is 51.

The spelling of 56673545280 in words is "fifty-six billion, six hundred seventy-three million, five hundred forty-five thousand, two hundred eighty".