Base | Representation |
---|---|
bin | 110010001010… |
… | …010101000011 |
3 | 220202001201210 |
4 | 302022111003 |
5 | 11331241012 |
6 | 1145501203 |
7 | 216524520 |
oct | 62122503 |
9 | 26661653 |
10 | 13149507 |
11 | 7471468 |
12 | 44a1803 |
13 | 2955297 |
14 | 1a64147 |
15 | 124b23c |
hex | c8a543 |
13149507 has 16 divisors (see below), whose sum is σ = 20378880. Its totient is φ = 7385952.
The previous prime is 13149497. The next prime is 13149509. The reversal of 13149507 is 70594131.
It is not a de Polignac number, because 13149507 - 212 = 13145411 is a prime.
It is not an unprimeable number, because it can be changed into a prime (13149509) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4068 + ... + 6545.
It is an arithmetic number, because the mean of its divisors is an integer number (1273680).
Almost surely, 213149507 is an apocalyptic number.
13149507 is a deficient number, since it is larger than the sum of its proper divisors (7229373).
13149507 is a wasteful number, since it uses less digits than its factorization.
13149507 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10682.
The product of its (nonzero) digits is 3780, while the sum is 30.
The square root of 13149507 is about 3626.2248965005. The cubic root of 13149507 is about 236.0314223697.
The spelling of 13149507 in words is "thirteen million, one hundred forty-nine thousand, five hundred seven".
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