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104657745920 = 2115713313623
BaseRepresentation
bin110000101111000010…
…1100111100000000000
3101000010210000100110212
41201132011213200000
53203314340332140
6120025030413252
710363342106450
oct1413605474000
9330123010425
10104657745920
11404266295a2
1218349801228
139b3b797a10
1450cb8add60
152ac80d7765
hex185e167800

104657745920 has 384 divisors, whose sum is σ = 319125381120. Its totient is φ = 32045137920.

The previous prime is 104657745901. The next prime is 104657746001. The reversal of 104657745920 is 29547756401.

It is a happy number.

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, 28885229 + ... + 28888851.

It is an arithmetic number, because the mean of its divisors is an integer number (831055680).

Almost surely, 2104657745920 is an apocalyptic number.

104657745920 is a gapful number since it is divisible by the number (10) 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 104657745920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159562690560).

104657745920 is an abundant number, since it is smaller than the sum of its proper divisors (214467635200).

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

104657745920 is a wasteful number, since it uses less digits than its factorization.

104657745920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3701 (or 3681 counting only the distinct ones).

The product of its (nonzero) digits is 2116800, while the sum is 50.

The spelling of 104657745920 in words is "one hundred four billion, six hundred fifty-seven million, seven hundred forty-five thousand, nine hundred twenty".