Base | Representation |
---|---|
bin | 11000011100101011… |
… | …10100111000000001 |
3 | 1020212201221201021210 |
4 | 30032111310320001 |
5 | 203340112121023 |
6 | 10010233040333 |
7 | 643155643002 |
oct | 141625647001 |
9 | 36781851253 |
10 | 13125504513 |
11 | 56260068a0 |
12 | 26638560a9 |
13 | 13123a5224 |
14 | 8c72b91a9 |
15 | 51c493593 |
hex | 30e574e01 |
13125504513 has 32 divisors (see below), whose sum is σ = 20563868160. Its totient is φ = 7360899840.
The previous prime is 13125504503. The next prime is 13125504523. The reversal of 13125504513 is 31540552131.
It is an interprime number because it is at equal distance from previous prime (13125504503) and next prime (13125504523).
It is not a de Polignac number, because 13125504513 - 25 = 13125504481 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (13125504503) 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, 216456 + ... + 270377.
It is an arithmetic number, because the mean of its divisors is an integer number (642620880).
Almost surely, 213125504513 is an apocalyptic number.
It is an amenable number.
13125504513 is a deficient number, since it is larger than the sum of its proper divisors (7438363647).
13125504513 is a wasteful number, since it uses less digits than its factorization.
13125504513 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 486909.
The product of its (nonzero) digits is 9000, while the sum is 30.
The spelling of 13125504513 in words is "thirteen billion, one hundred twenty-five million, five hundred four thousand, five hundred thirteen".
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