Base | Representation |
---|---|
bin | 1011110010011001001111… |
… | …0000011011111001111111 |
3 | 1200220000001020020021222222 |
4 | 2330212103300123321333 |
5 | 3144320342142424444 |
6 | 43321531241555555 |
7 | 2505233451133406 |
oct | 274462360337177 |
9 | 50800036207888 |
10 | 12960395279999 |
11 | 4147522293442 |
12 | 155398a1a5bbb |
13 | 730210783c5b |
14 | 32b40215063d |
15 | 1771e272eeee |
hex | bc993c1be7f |
12960395279999 has 4 divisors (see below), whose sum is σ = 12960408069336. Its totient is φ = 12960382490664.
The previous prime is 12960395279977. The next prime is 12960395280013. The reversal of 12960395279999 is 99997259306921.
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 12960395279999 - 228 = 12960126844543 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 (12960395279599) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4730189 + ... + 6949494.
It is an arithmetic number, because the mean of its divisors is an integer number (3240102017334).
Almost surely, 212960395279999 is an apocalyptic number.
12960395279999 is a deficient number, since it is larger than the sum of its proper divisors (12789337).
12960395279999 is a wasteful number, since it uses less digits than its factorization.
12960395279999 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12789336.
The product of its (nonzero) digits is 1339231320, while the sum is 80.
The spelling of 12960395279999 in words is "twelve trillion, nine hundred sixty billion, three hundred ninety-five million, two hundred seventy-nine thousand, nine hundred ninety-nine".
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