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53017984512 = 293343791129
BaseRepresentation
bin110001011000000111…
…100011111000000000
312001211220200200002000
4301120013203320000
51332040101001022
640204531224000
73554556301263
oct613007437000
9161756620060
1053017984512
11205372a7529
12a337748000
134ccc0b018c
1427cd498cda
1515a47dc6ac
hexc581e3e00

53017984512 has 320 divisors, whose sum is σ = 162763392000. Its totient is φ = 17028071424.

The previous prime is 53017984501. The next prime is 53017984531. The reversal of 53017984512 is 21548971035.

53017984512 is a `hidden beast` number, since 5 + 30 + 17 + 98 + 4 + 512 = 666.

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, 46959564 + ... + 46960692.

It is an arithmetic number, because the mean of its divisors is an integer number (508635600).

Almost surely, 253017984512 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 53017984512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81381696000).

53017984512 is an abundant number, since it is smaller than the sum of its proper divisors (109745407488).

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

53017984512 is a wasteful number, since it uses less digits than its factorization.

53017984512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1278 (or 1256 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The spelling of 53017984512 in words is "fifty-three billion, seventeen million, nine hundred eighty-four thousand, five hundred twelve".