Base | Representation |
---|---|
bin | 1011100110101100… |
… | …1011101011110101 |
3 | 22001002121201201202 |
4 | 2321223023223311 |
5 | 22334431330023 |
6 | 1233035302245 |
7 | 140123645546 |
oct | 27153135365 |
9 | 8032551652 |
10 | 3115105013 |
11 | 1359439559 |
12 | 72b2aa985 |
13 | 3a84b6407 |
14 | 217a0a4cd |
15 | 13372e128 |
hex | b9acbaf5 |
3115105013 has 4 divisors (see below), whose sum is σ = 3142672428. Its totient is φ = 3087537600.
The previous prime is 3115105001. The next prime is 3115105031. The reversal of 3115105013 is 3105015113.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3105015113 = 16427 ⋅189019.
It can be written as a sum of positive squares in 2 ways, for example, as 551404324 + 2563700689 = 23482^2 + 50633^2 .
It is a cyclic number.
It is not a de Polignac number, because 3115105013 - 224 = 3098327797 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3115105033) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13783538 + ... + 13783763.
It is an arithmetic number, because the mean of its divisors is an integer number (785668107).
Almost surely, 23115105013 is an apocalyptic number.
It is an amenable number.
3115105013 is a deficient number, since it is larger than the sum of its proper divisors (27567415).
3115105013 is a wasteful number, since it uses less digits than its factorization.
3115105013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27567414.
The product of its (nonzero) digits is 225, while the sum is 20.
The square root of 3115105013 is about 55813.1258128408. The cubic root of 3115105013 is about 1460.4641379469.
The spelling of 3115105013 in words is "three billion, one hundred fifteen million, one hundred five thousand, thirteen".
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