Base | Representation |
---|---|
bin | 11001001010111001… |
… | …10001101101101101 |
3 | 1021212202110211000000 |
4 | 30211130301231231 |
5 | 210133334440131 |
6 | 10112522454513 |
7 | 655604216646 |
oct | 144534615555 |
9 | 37782424000 |
10 | 13513202541 |
11 | 580493a093 |
12 | 2751664439 |
13 | 13747ca247 |
14 | 92299a6cd |
15 | 541526ce6 |
hex | 325731b6d |
13513202541 has 28 divisors (see below), whose sum is σ = 20281533120. Its totient is φ = 8999466120.
The previous prime is 13513202513. The next prime is 13513202543. The reversal of 13513202541 is 14520231531.
It is not a de Polignac number, because 13513202541 - 213 = 13513194349 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13513202543) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 733756 + ... + 751946.
Almost surely, 213513202541 is an apocalyptic number.
It is an amenable number.
13513202541 is a deficient number, since it is larger than the sum of its proper divisors (6768330579).
13513202541 is an equidigital number, since it uses as much as digits as its factorization.
13513202541 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19228 (or 19213 counting only the distinct ones).
The product of its (nonzero) digits is 3600, while the sum is 27.
The spelling of 13513202541 in words is "thirteen billion, five hundred thirteen million, two hundred two thousand, five hundred forty-one".
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