Base | Representation |
---|---|
bin | 10111000011100010… |
… | …00110110000011101 |
3 | 1011221121210100011212 |
4 | 23201301012300131 |
5 | 200322141242200 |
6 | 5404120354205 |
7 | 615505360211 |
oct | 134161066035 |
9 | 34847710155 |
10 | 12377680925 |
11 | 5281972975 |
12 | 2495315965 |
13 | 122349026c |
14 | 855c52941 |
15 | 4c69c6035 |
hex | 2e1c46c1d |
12377680925 has 6 divisors (see below), whose sum is σ = 15348324378. Its totient is φ = 9902144720.
The previous prime is 12377680921. The next prime is 12377680933. The reversal of 12377680925 is 52908677321.
It can be written as a sum of positive squares in 3 ways, for example, as 158810404 + 12218870521 = 12602^2 + 110539^2 .
It is not a de Polignac number, because 12377680925 - 22 = 12377680921 is a prime.
It is a super-2 number, since 2×123776809252 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12377680921) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 247553594 + ... + 247553643.
It is an arithmetic number, because the mean of its divisors is an integer number (2558054063).
Almost surely, 212377680925 is an apocalyptic number.
It is an amenable number.
12377680925 is a deficient number, since it is larger than the sum of its proper divisors (2970643453).
12377680925 is an equidigital number, since it uses as much as digits as its factorization.
12377680925 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 495107247 (or 495107242 counting only the distinct ones).
The product of its (nonzero) digits is 1270080, while the sum is 50.
The spelling of 12377680925 in words is "twelve billion, three hundred seventy-seven million, six hundred eighty thousand, nine hundred twenty-five".
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