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10666885825 = 52597231787
BaseRepresentation
bin10011110111100101…
…11100001011000001
31000112101121221111101
421323302330023001
5133321210321300
64522244214401
7525223014331
oct117362741301
930471557441
1010666885825
1145841a7222
12209839a401
13100cc0427b
1473295b0c1
154266ddb6a
hex27bcbc2c1

10666885825 has 12 divisors (see below), whose sum is σ = 13451125680. Its totient is φ = 8388871760.

The previous prime is 10666885819. The next prime is 10666885843. The reversal of 10666885825 is 52858866601.

It is not a de Polignac number, because 10666885825 - 213 = 10666877633 is a prime.

It is a super-2 number, since 2×106668858252 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3614419 + ... + 3617368.

It is an arithmetic number, because the mean of its divisors is an integer number (1120927140).

Almost surely, 210666885825 is an apocalyptic number.

It is an amenable number.

10666885825 is a deficient number, since it is larger than the sum of its proper divisors (2784239855).

10666885825 is an equidigital number, since it uses as much as digits as its factorization.

10666885825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7231856 (or 7231851 counting only the distinct ones).

The product of its (nonzero) digits is 5529600, while the sum is 55.

The spelling of 10666885825 in words is "ten billion, six hundred sixty-six million, eight hundred eighty-five thousand, eight hundred twenty-five".

Divisors: 1 5 25 59 295 1475 7231787 36158935 180794675 426675433 2133377165 10666885825