Base | Representation |
---|---|
bin | 1011011111010001011001… |
… | …1110001100010111001111 |
3 | 1122201121002010221011101011 |
4 | 2313310112132030113033 |
5 | 3123430040203044442 |
6 | 42511000442030051 |
7 | 2442423441655111 |
oct | 267642636142717 |
9 | 48647063834334 |
10 | 12631875831247 |
11 | 403016a65a192 |
12 | 15001857a8327 |
13 | 708247232caa |
14 | 3195594833b1 |
15 | 16d8b63ee117 |
hex | b7d1678c5cf |
12631875831247 has 2 divisors, whose sum is σ = 12631875831248. Its totient is φ = 12631875831246.
The previous prime is 12631875831233. The next prime is 12631875831251. The reversal of 12631875831247 is 74213857813621.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 12631875831247 - 219 = 12631875306959 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 12631875831191 and 12631875831200.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12631875831227) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6315937915623 + 6315937915624.
It is an arithmetic number, because the mean of its divisors is an integer number (6315937915624).
Almost surely, 212631875831247 is an apocalyptic number.
12631875831247 is a deficient number, since it is larger than the sum of its proper divisors (1).
12631875831247 is an equidigital number, since it uses as much as digits as its factorization.
12631875831247 is an evil number, because the sum of its binary digits is even.
The product of its digits is 13547520, while the sum is 58.
The spelling of 12631875831247 in words is "twelve trillion, six hundred thirty-one billion, eight hundred seventy-five million, eight hundred thirty-one thousand, two hundred forty-seven".
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