Base | Representation |
---|---|
bin | 11000000001000001… |
… | …10111100100111001 |
3 | 1020021120102120210210 |
4 | 30000200313210321 |
5 | 202401220040022 |
6 | 5531224501333 |
7 | 634341044613 |
oct | 140040674471 |
9 | 36246376723 |
10 | 12893518137 |
11 | 5517067015 |
12 | 25ba01a849 |
13 | 12a62cba96 |
14 | 8a456bdb3 |
15 | 506e1ba0c |
hex | 300837939 |
12893518137 has 32 divisors (see below), whose sum is σ = 17897020416. Its totient is φ = 8250580800.
The previous prime is 12893518133. The next prime is 12893518147. The reversal of 12893518137 is 73181539821.
It is not a de Polignac number, because 12893518137 - 22 = 12893518133 is a prime.
It is not an unprimeable number, because it can be changed into a prime (12893518133) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3029503 + ... + 3033755.
It is an arithmetic number, because the mean of its divisors is an integer number (559281888).
Almost surely, 212893518137 is an apocalyptic number.
It is an amenable number.
12893518137 is a deficient number, since it is larger than the sum of its proper divisors (5003502279).
12893518137 is a wasteful number, since it uses less digits than its factorization.
12893518137 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4701.
The product of its digits is 362880, while the sum is 48.
The spelling of 12893518137 in words is "twelve billion, eight hundred ninety-three million, five hundred eighteen thousand, one hundred thirty-seven".
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