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64116396892800 = 27335271753971213
BaseRepresentation
bin11101001010000010000110…
…00011111010001010000000
322102000110121221101000112000
432211001003003322022000
531400440340101032200
6344210355513504000
716335154041261330
oct1645010303721200
9272013557330460
1064116396892800
111947a67a59804a
12723622b712000
1329a11c5233a95
1411b93706610c0
15762c3453b300
hex3a50430fa280

64116396892800 has 3072 divisors, whose sum is σ = 292524927206400. Its totient is φ = 13382304399360.

The previous prime is 64116396892799. The next prime is 64116396892861. The reversal of 64116396892800 is 829869361146.

64116396892800 is a `hidden beast` number, since 6 + 411 + 63 + 9 + 6 + 89 + 2 + 80 + 0 = 666.

It is a super-2 number, since 2×641163968928002 (a number of 28 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 52857704994 + ... + 52857706206.

It is an arithmetic number, because the mean of its divisors is an integer number (95222958075).

Almost surely, 264116396892800 is an apocalyptic number.

64116396892800 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64116396892800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146262463603200).

64116396892800 is an abundant number, since it is smaller than the sum of its proper divisors (228408530313600).

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

64116396892800 is a wasteful number, since it uses less digits than its factorization.

64116396892800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1420 (or 1397 counting only the distinct ones).

The product of its (nonzero) digits is 26873856, while the sum is 63.

The spelling of 64116396892800 in words is "sixty-four trillion, one hundred sixteen billion, three hundred ninety-six million, eight hundred ninety-two thousand, eight hundred".