Base | Representation |
---|---|
bin | 10110100011001111… |
… | …00111010001101001 |
3 | 1011020201222222201202 |
4 | 23101213213101221 |
5 | 144243312212400 |
6 | 5321201453545 |
7 | 606005511203 |
oct | 132147472151 |
9 | 34221888652 |
10 | 12106757225 |
11 | 5152a48992 |
12 | 241a6412b5 |
13 | 11ac302b94 |
14 | 82bc8b773 |
15 | 4acd0c4d5 |
hex | 2d19e7469 |
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".
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