Base | Representation |
---|---|
bin | 10111110010010111… |
… | …01000111111101111 |
3 | 1012221222222021022111 |
4 | 23321023220333233 |
5 | 202123222403004 |
6 | 5511112224451 |
7 | 631315365655 |
oct | 137113507757 |
9 | 35858867274 |
10 | 12770512879 |
11 | 5463692383 |
12 | 258499b127 |
13 | 1286991cc7 |
14 | 8920acdd5 |
15 | 4eb220a04 |
hex | 2f92e8fef |
12770512879 has 8 divisors (see below), whose sum is σ = 12868531200. Its totient is φ = 12672751416.
The previous prime is 12770512817. The next prime is 12770512891. The reversal of 12770512879 is 97821507721.
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 12770512879 - 27 = 12770512751 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12770512379) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36202 + ... + 163864.
It is an arithmetic number, because the mean of its divisors is an integer number (1608566400).
Almost surely, 212770512879 is an apocalyptic number.
12770512879 is a deficient number, since it is larger than the sum of its proper divisors (98018321).
12770512879 is a wasteful number, since it uses less digits than its factorization.
12770512879 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 128429.
The product of its (nonzero) digits is 493920, while the sum is 49.
The spelling of 12770512879 in words is "twelve billion, seven hundred seventy million, five hundred twelve thousand, eight hundred seventy-nine".
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