Base | Representation |
---|---|
bin | 11000001000000011… |
… | …00100001000111101 |
3 | 1020102200021011020112 |
4 | 30010001210020331 |
5 | 203011304432200 |
6 | 5541131155405 |
7 | 635654522063 |
oct | 140401441075 |
9 | 36380234215 |
10 | 12952420925 |
11 | 5547338604 |
12 | 26158a5b65 |
13 | 12b55834c2 |
14 | 8ac302033 |
15 | 50c1a4535 |
hex | 30406423d |
12952420925 has 12 divisors (see below), whose sum is σ = 16123504116. Its totient is φ = 10321612800.
The previous prime is 12952420903. The next prime is 12952420927. The reversal of 12952420925 is 52902425921.
It can be written as a sum of positive squares in 6 ways, for example, as 1352915524 + 11599505401 = 36782^2 + 107701^2 .
It is not a de Polignac number, because 12952420925 - 26 = 12952420861 is a prime.
It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12952420927) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1001546 + ... + 1014395.
It is an arithmetic number, because the mean of its divisors is an integer number (1343625343).
Almost surely, 212952420925 is an apocalyptic number.
It is an amenable number.
12952420925 is a deficient number, since it is larger than the sum of its proper divisors (3171083191).
12952420925 is a wasteful number, since it uses less digits than its factorization.
12952420925 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2016208 (or 2016203 counting only the distinct ones).
The product of its (nonzero) digits is 129600, while the sum is 41.
The spelling of 12952420925 in words is "twelve billion, nine hundred fifty-two million, four hundred twenty thousand, nine hundred twenty-five".
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