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12572560000 = 275471113157
BaseRepresentation
bin10111011010110001…
…00000101010000000
31012110012111020000101
423231120200222000
5201222033410000
65435321332144
7623362665610
oct135530405200
935405436011
1012572560000
115371978460
12252a637054
131254973720
14873aa0a40
154d8b6ce6a
hex2ed620a80

12572560000 has 640 divisors, whose sum is σ = 42290962560. Its totient is φ = 3594240000.

The previous prime is 12572559971. The next prime is 12572560073. The reversal of 12572560000 is 6527521.

It is a tau number, because it is divible by the number of its divisors (640).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 80079922 + ... + 80080078.

It is an arithmetic number, because the mean of its divisors is an integer number (66079629).

Almost surely, 212572560000 is an apocalyptic number.

12572560000 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 12572560000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21145481280).

12572560000 is an abundant number, since it is smaller than the sum of its proper divisors (29718402560).

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

12572560000 is a wasteful number, since it uses less digits than its factorization.

12572560000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222 (or 195 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The spelling of 12572560000 in words is "twelve billion, five hundred seventy-two million, five hundred sixty thousand".