Search a number
-
+
12960395279999 = 110965311679683
BaseRepresentation
bin1011110010011001001111…
…0000011011111001111111
31200220000001020020021222222
42330212103300123321333
53144320342142424444
643321531241555555
72505233451133406
oct274462360337177
950800036207888
1012960395279999
114147522293442
12155398a1a5bbb
13730210783c5b
1432b40215063d
151771e272eeee
hexbc993c1be7f

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".

Divisors: 1 1109653 11679683 12960395279999