Base | Representation |
---|---|
bin | 10111100001110000… |
… | …11010001000101111 |
3 | 1012121021221011102121 |
4 | 23300320122020233 |
5 | 201332100103201 |
6 | 5445215333411 |
7 | 625004612050 |
oct | 136070321057 |
9 | 35537834377 |
10 | 12631253551 |
11 | 53a2016824 |
12 | 2546221267 |
13 | 1263b83b37 |
14 | 87b7bc727 |
15 | 4dddb39a1 |
hex | 2f0e1a22f |
12631253551 has 8 divisors (see below), whose sum is σ = 15063358464. Its totient is φ = 10356058680.
The previous prime is 12631253527. The next prime is 12631253563. The reversal of 12631253551 is 15535213621.
12631253551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12631253551 - 25 = 12631253519 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12631253501) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39227335 + ... + 39227656.
It is an arithmetic number, because the mean of its divisors is an integer number (1882919808).
Almost surely, 212631253551 is an apocalyptic number.
12631253551 is a deficient number, since it is larger than the sum of its proper divisors (2432104913).
12631253551 is an equidigital number, since it uses as much as digits as its factorization.
12631253551 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 78455021.
The product of its digits is 27000, while the sum is 34.
The spelling of 12631253551 in words is "twelve billion, six hundred thirty-one million, two hundred fifty-three thousand, five hundred fifty-one".
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