Search a number
-
+
13126796685 = 335163596537
BaseRepresentation
bin11000011100110101…
…10000010110001101
31020212211101100211000
430032122300112031
5203340424443220
610010320450513
7643202634162
oct141632602615
936784340730
1013126796685
115626809702
122664179a39
131312738422
148c7534069
1551c64b390
hex30e6b058d

13126796685 has 32 divisors (see below), whose sum is σ = 23479735680. Its totient is φ = 6957995904.

The previous prime is 13126796651. The next prime is 13126796717. The reversal of 13126796685 is 58669762131.

It is not a de Polignac number, because 13126796685 - 212 = 13126792589 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 276264 + ... + 320273.

It is an arithmetic number, because the mean of its divisors is an integer number (733741740).

Almost surely, 213126796685 is an apocalyptic number.

13126796685 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13126796685 is a deficient number, since it is larger than the sum of its proper divisors (10352938995).

13126796685 is a wasteful number, since it uses less digits than its factorization.

13126796685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596714 (or 596708 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 54.

The spelling of 13126796685 in words is "thirteen billion, one hundred twenty-six million, seven hundred ninety-six thousand, six hundred eighty-five".

Divisors: 1 3 5 9 15 27 45 135 163 489 815 1467 2445 4401 7335 22005 596537 1789611 2982685 5368833 8948055 16106499 26844165 80532495 97235531 291706593 486177655 875119779 1458532965 2625359337 4375598895 13126796685