Base | Representation |
---|---|
bin | 10111000010000111… |
… | …01000011010001001 |
3 | 1011220210100200221012 |
4 | 23201003220122021 |
5 | 200311113311022 |
6 | 5403013053305 |
7 | 615302140553 |
oct | 134103503211 |
9 | 34823320835 |
10 | 12365760137 |
11 | 5276170685 |
12 | 2491327235 |
13 | 1220b78343 |
14 | 85442c4d3 |
15 | 4c591dde2 |
hex | 2e10e8689 |
12365760137 has 6 divisors (see below), whose sum is σ = 12603481422. Its totient is φ = 12132441152.
The previous prime is 12365760133. The next prime is 12365760157. The reversal of 12365760137 is 73106756321.
It is a happy number.
It can be written as a sum of positive squares in 3 ways, for example, as 1220524096 + 11145236041 = 34936^2 + 105571^2 .
It is not a de Polignac number, because 12365760137 - 22 = 12365760133 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 12365760094 and 12365760103.
It is not an unprimeable number, because it can be changed into a prime (12365760133) 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, 2198288 + ... + 2203905.
It is an arithmetic number, because the mean of its divisors is an integer number (2100580237).
Almost surely, 212365760137 is an apocalyptic number.
It is an amenable number.
12365760137 is a deficient number, since it is larger than the sum of its proper divisors (237721285).
12365760137 is an frugal number, since it uses more digits than its factorization.
12365760137 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4402299 (or 4402246 counting only the distinct ones).
The product of its (nonzero) digits is 158760, while the sum is 41.
The spelling of 12365760137 in words is "twelve billion, three hundred sixty-five million, seven hundred sixty thousand, one hundred thirty-seven".
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