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10639048320 = 273259831879
BaseRepresentation
bin10011110100010001…
…01111111010000000
31000110110020122121200
421322020233322000
5133242044021240
64515411421200
7524434263405
oct117210577200
930413218550
1010639048320
11456a51351a
12208abb4800
131007208684
1472cd922ac
15424040930
hex27a22fe80

10639048320 has 192 divisors, whose sum is σ = 36794908800. Its totient is φ = 2832685056.

The previous prime is 10639048313. The next prime is 10639048331. The reversal of 10639048320 is 2384093601.

10639048320 is a `hidden beast` number, since 10 + 63 + 90 + 483 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is a super-2 number, since 2×106390483202 (a number of 21 digits) contains 22 as substring.

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 23 ways as a sum of consecutive naturals, for example, 5661141 + ... + 5663019.

It is an arithmetic number, because the mean of its divisors is an integer number (191640150).

Almost surely, 210639048320 is an apocalyptic number.

10639048320 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 10639048320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18397454400).

10639048320 is an abundant number, since it is smaller than the sum of its proper divisors (26155860480).

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

10639048320 is a wasteful number, since it uses less digits than its factorization.

10639048320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2887 (or 2872 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The spelling of 10639048320 in words is "ten billion, six hundred thirty-nine million, forty-eight thousand, three hundred twenty".