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104231538720 = 2534529327449
BaseRepresentation
bin110000100010010101…
…1110001000000100000
3100222001002000210010000
41201010223301000200
53201431233214340
6115514443340000
710346645314041
oct1410453610040
9328032023100
10104231538720
1140227a93841
121824ab21600
139aa13ab8ca
14508b0468c8
152aa0998d30
hex1844af1020

104231538720 has 240 divisors, whose sum is σ = 369119381400. Its totient is φ = 27699204096.

The previous prime is 104231538703. The next prime is 104231538757. The reversal of 104231538720 is 27835132401.

104231538720 is a `hidden beast` number, since 1 + 0 + 423 + 153 + 87 + 2 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 103882446864 + 349091856 = 322308^2 + 18684^2 .

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3783556 + ... + 3811004.

Almost surely, 2104231538720 is an apocalyptic number.

104231538720 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 104231538720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184559690700).

104231538720 is an abundant number, since it is smaller than the sum of its proper divisors (264887842680).

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

104231538720 is a wasteful number, since it uses less digits than its factorization.

104231538720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27769 (or 27752 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The spelling of 104231538720 in words is "one hundred four billion, two hundred thirty-one million, five hundred thirty-eight thousand, seven hundred twenty".