Base | Representation |
---|---|
bin | 11000011000101010… |
… | …11010010101101001 |
3 | 1020210101121110011021 |
4 | 30030111122111221 |
5 | 203303002411020 |
6 | 10003031332441 |
7 | 642266546530 |
oct | 141425322551 |
9 | 36711543137 |
10 | 13091841385 |
11 | 5609004227 |
12 | 2654521121 |
13 | 1308419b0c |
14 | 8c2a35317 |
15 | 5195441aa |
hex | 30c55a569 |
13091841385 has 32 divisors (see below), whose sum is σ = 18745085952. Its totient is φ = 8582397120.
The previous prime is 13091841379. The next prime is 13091841397. The reversal of 13091841385 is 58314819031.
It is not a de Polignac number, because 13091841385 - 213 = 13091833193 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2243842 + ... + 2249668.
It is an arithmetic number, because the mean of its divisors is an integer number (585783936).
Almost surely, 213091841385 is an apocalyptic number.
It is an amenable number.
13091841385 is a deficient number, since it is larger than the sum of its proper divisors (5653244567).
13091841385 is a wasteful number, since it uses less digits than its factorization.
13091841385 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8653.
The product of its (nonzero) digits is 103680, while the sum is 43.
The spelling of 13091841385 in words is "thirteen billion, ninety-one million, eight hundred forty-one thousand, three hundred eighty-five".
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