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12106757225 = 52598207971
BaseRepresentation
bin10110100011001111…
…00111010001101001
31011020201222222201202
423101213213101221
5144243312212400
65321201453545
7606005511203
oct132147472151
934221888652
1012106757225
115152a48992
12241a6412b5
1311ac302b94
1482bc8b773
154acd0c4d5
hex2d19e7469

12106757225 has 12 divisors (see below), whose sum is σ = 15266827920. Its totient is φ = 9521245200.

The previous prime is 12106757209. The next prime is 12106757239. The reversal of 12106757225 is 52275760121.

It is not a de Polignac number, because 12106757225 - 24 = 12106757209 is a prime.

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, 4102511 + ... + 4105460.

It is an arithmetic number, because the mean of its divisors is an integer number (1272235660).

Almost surely, 212106757225 is an apocalyptic number.

It is an amenable number.

12106757225 is a deficient number, since it is larger than the sum of its proper divisors (3160070695).

12106757225 is an equidigital number, since it uses as much as digits as its factorization.

12106757225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8208040 (or 8208035 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 38.

The spelling of 12106757225 in words is "twelve billion, one hundred six million, seven hundred fifty-seven thousand, two hundred twenty-five".

Divisors: 1 5 25 59 295 1475 8207971 41039855 205199275 484270289 2421351445 12106757225