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2580895066896 = 243217922882409
BaseRepresentation
bin100101100011101001010…
…101010110101100010000
3100010201202000101202011100
4211203221111112230100
5314241133114120041
65253351414144400
7354314662050456
oct45435125265420
910121660352140
102580895066896
11905607a88373
12358240652100
131594ba0a4123
148ccb76829d6
15472059846b6
hex258e9556b10

2580895066896 has 30 divisors (see below), whose sum is σ = 7222921611230. Its totient is φ = 860298355584.

The previous prime is 2580895066829. The next prime is 2580895066907. The reversal of 2580895066896 is 6986605980852.

2580895066896 is a `hidden beast` number, since 2 + 58 + 0 + 8 + 9 + 506 + 68 + 9 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1863716432400 + 717178634496 = 1365180^2 + 846864^2 .

It is a super-2 number, since 2×25808950668962 (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8961441061 + ... + 8961441348.

Almost surely, 22580895066896 is an apocalyptic number.

It is an amenable number.

2580895066896 is an abundant number, since it is smaller than the sum of its proper divisors (4642026544334).

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

2580895066896 is a wasteful number, since it uses less digits than its factorization.

2580895066896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17922882423 (or 17922882414 counting only the distinct ones).

The product of its (nonzero) digits is 447897600, while the sum is 72.

The spelling of 2580895066896 in words is "two trillion, five hundred eighty billion, eight hundred ninety-five million, sixty-six thousand, eight hundred ninety-six".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 17922882409 35845764818 53768647227 71691529636 107537294454 143383059272 161305941681 215074588908 286766118544 322611883362 430149177816 645223766724 860298355632 1290447533448 2580895066896