Base | Representation |
---|---|
bin | 1011110101011011110100… |
… | …1101101111001101000111 |
3 | 1201001222212120220002100201 |
4 | 2331112331031233031013 |
5 | 3201144331342402011 |
6 | 43401530410351331 |
7 | 2512063053463102 |
oct | 275267515571507 |
9 | 51058776802321 |
10 | 13012630434631 |
11 | 4167697707223 |
12 | 1561b2772b547 |
13 | 735116613589 |
14 | 32db5966d739 |
15 | 17874d437cc1 |
hex | bd5bd36f347 |
13012630434631 has 4 divisors (see below), whose sum is σ = 13146781263952. Its totient is φ = 12878479605312.
The previous prime is 13012630434593. The next prime is 13012630434673. The reversal of 13012630434631 is 13643403621031.
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 13012630434631 - 235 = 12978270696263 is a prime.
It is a super-2 number, since 2×130126304346312 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13012630434131) 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, 67075414515 + ... + 67075414708.
It is an arithmetic number, because the mean of its divisors is an integer number (3286695315988).
Almost surely, 213012630434631 is an apocalyptic number.
13012630434631 is a deficient number, since it is larger than the sum of its proper divisors (134150829321).
13012630434631 is an equidigital number, since it uses as much as digits as its factorization.
13012630434631 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 134150829320.
The product of its (nonzero) digits is 93312, while the sum is 37.
The spelling of 13012630434631 in words is "thirteen trillion, twelve billion, six hundred thirty million, four hundred thirty-four thousand, six hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •