Base | Representation |
---|---|
bin | 11000000010100000… |
… | …11101011101101111 |
3 | 1020022102220102121022 |
4 | 30001100131131233 |
5 | 202412413302340 |
6 | 5532352124355 |
7 | 634552065641 |
oct | 140120353557 |
9 | 36272812538 |
10 | 12905994095 |
11 | 5523108425 |
12 | 26022366bb |
13 | 12a8a795c7 |
14 | 8a6098891 |
15 | 5080833b5 |
hex | 30141d76f |
12905994095 has 4 divisors (see below), whose sum is σ = 15487192920. Its totient is φ = 10324795272.
The previous prime is 12905994083. The next prime is 12905994151. The reversal of 12905994095 is 59049950921.
12905994095 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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 12905994095 - 228 = 12637558639 is a prime.
It is a congruent number.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 1290599405 + ... + 1290599414.
It is an arithmetic number, because the mean of its divisors is an integer number (3871798230).
Almost surely, 212905994095 is an apocalyptic number.
12905994095 is a deficient number, since it is larger than the sum of its proper divisors (2581198825).
12905994095 is an equidigital number, since it uses as much as digits as its factorization.
12905994095 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2581198824.
The product of its (nonzero) digits is 1312200, while the sum is 53.
The spelling of 12905994095 in words is "twelve billion, nine hundred five million, nine hundred ninety-four thousand, ninety-five".
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