Base | Representation |
---|---|
bin | 10111110101100110… |
… | …00110011111000001 |
3 | 1020000220000012011212 |
4 | 23322303012133001 |
5 | 202202143300442 |
6 | 5513521415505 |
7 | 632065045514 |
oct | 137263063701 |
9 | 36026005155 |
10 | 12797634497 |
11 | 5477a2723a |
12 | 2591a9a595 |
13 | 128c499abb |
14 | 89592cd7b |
15 | 4ed7cba82 |
hex | 2facc67c1 |
12797634497 has 4 divisors (see below), whose sum is σ = 12800572080. Its totient is φ = 12794696916.
The previous prime is 12797634463. The next prime is 12797634511. The reversal of 12797634497 is 79443679721.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 12797634497 - 222 = 12793440193 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12797634457) 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, 1462247 + ... + 1470972.
It is an arithmetic number, because the mean of its divisors is an integer number (3200143020).
Almost surely, 212797634497 is an apocalyptic number.
It is an amenable number.
12797634497 is a deficient number, since it is larger than the sum of its proper divisors (2937583).
12797634497 is an equidigital number, since it uses as much as digits as its factorization.
12797634497 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2937582.
The product of its digits is 16003008, while the sum is 59.
The spelling of 12797634497 in words is "twelve billion, seven hundred ninety-seven million, six hundred thirty-four thousand, four hundred ninety-seven".
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