Base | Representation |
---|---|
bin | 10111011011000001… |
… | …01100110001111011 |
3 | 1012110100112021212220 |
4 | 23231200230301323 |
5 | 201223111104221 |
6 | 5435435335123 |
7 | 623420146542 |
oct | 135540546173 |
9 | 35410467786 |
10 | 12574706811 |
11 | 5373104387 |
12 | 252b2b14a3 |
13 | 1255245924 |
14 | 87409d159 |
15 | 4d8e440c6 |
hex | 2ed82cc7b |
12574706811 has 4 divisors (see below), whose sum is σ = 16766275752. Its totient is φ = 8383137872.
The previous prime is 12574706777. The next prime is 12574706813. The reversal of 12574706811 is 11860747521.
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 12574706811 - 218 = 12574444667 is a prime.
It is not an unprimeable number, because it can be changed into a prime (12574706813) 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 3 ways as a sum of consecutive naturals, for example, 2095784466 + ... + 2095784471.
It is an arithmetic number, because the mean of its divisors is an integer number (4191568938).
Almost surely, 212574706811 is an apocalyptic number.
12574706811 is a deficient number, since it is larger than the sum of its proper divisors (4191568941).
12574706811 is an equidigital number, since it uses as much as digits as its factorization.
12574706811 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4191568940.
The product of its (nonzero) digits is 94080, while the sum is 42.
Subtracting from 12574706811 its sum of digits (42), we obtain a square (12574706769 = 1121372).
The spelling of 12574706811 in words is "twelve billion, five hundred seventy-four million, seven hundred six thousand, eight hundred eleven".
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