Base | Representation |
---|---|
bin | 1011110101010110100000… |
… | …0001011000011001100011 |
3 | 1201001212011222101222221002 |
4 | 2331111220001120121203 |
5 | 3201133414442212011 |
6 | 43401132511422215 |
7 | 2512012456555316 |
oct | 275255001303143 |
9 | 51055158358832 |
10 | 13011201132131 |
11 | 4167023924094 |
12 | 15617a8b2496b |
13 | 734c49475457 |
14 | 32da618d097d |
15 | 1786b7c05c3b |
hex | bd568058663 |
13011201132131 has 4 divisors (see below), whose sum is σ = 13189436764152. Its totient is φ = 12832965500112.
The previous prime is 13011201132113. The next prime is 13011201132169. The reversal of 13011201132131 is 13123110211031.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 13011201132131 - 26 = 13011201132067 is a prime.
It is a super-2 number, since 2×130112011321312 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13011201132101) 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, 89117815901 + ... + 89117816046.
It is an arithmetic number, because the mean of its divisors is an integer number (3297359191038).
Almost surely, 213011201132131 is an apocalyptic number.
13011201132131 is a deficient number, since it is larger than the sum of its proper divisors (178235632021).
13011201132131 is an equidigital number, since it uses as much as digits as its factorization.
13011201132131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 178235632020.
The product of its (nonzero) digits is 108, while the sum is 20.
Adding to 13011201132131 its reverse (13123110211031), we get a palindrome (26134311343162).
The spelling of 13011201132131 in words is "thirteen trillion, eleven billion, two hundred one million, one hundred thirty-two thousand, one hundred thirty-one".
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