Search a number
-
+
12706395076885 = 513671859019031
BaseRepresentation
bin1011100011100111000000…
…1010100011100100010101
31122222201102112001001210211
42320321300022203210111
53131140144114430020
643005123132045421
72451002213053036
oct270716012434425
948881375031724
1012706395076885
11405982a847404
121512702003871
13712291a32093
1431cdc8374a8d
151707c865085a
hexb8e702a3915

12706395076885 has 8 divisors (see below), whose sum is σ = 15258828214656. Its totient is φ = 10157679979920.

The previous prime is 12706395076877. The next prime is 12706395076901. The reversal of 12706395076885 is 58867059360721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12706395076885 - 23 = 12706395076877 is a prime.

It is a super-2 number, since 2×127063950768852 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12706395076885.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 929502681 + ... + 929516350.

It is an arithmetic number, because the mean of its divisors is an integer number (1907353526832).

Almost surely, 212706395076885 is an apocalyptic number.

It is an amenable number.

12706395076885 is a deficient number, since it is larger than the sum of its proper divisors (2552433137771).

12706395076885 is a wasteful number, since it uses less digits than its factorization.

12706395076885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1859020403.

The product of its (nonzero) digits is 152409600, while the sum is 67.

The spelling of 12706395076885 in words is "twelve trillion, seven hundred six billion, three hundred ninety-five million, seventy-six thousand, eight hundred eighty-five".

Divisors: 1 5 1367 6835 1859019031 9295095155 2541279015377 12706395076885