Search a number
-
+
13813816667 = 7171091064977
BaseRepresentation
bin11001101110101111…
…00001110101011011
31022122201010121001112
430313113201311123
5211242314113132
610202422010535
7666214334660
oct146727416533
938581117045
1013813816667
1159495a2a12
122816276a4b
1313c1b81721
1495088da67
1555cb07ab2
hex3375e1d5b

13813816667 has 16 divisors (see below), whose sum is σ = 16869251520. Its totient is φ = 11041671168.

The previous prime is 13813816651. The next prime is 13813816669. The reversal of 13813816667 is 76661831831.

It is a cyclic number.

It is not a de Polignac number, because 13813816667 - 24 = 13813816651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13813816669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 519518 + ... + 545459.

It is an arithmetic number, because the mean of its divisors is an integer number (1054328220).

Almost surely, 213813816667 is an apocalyptic number.

13813816667 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

13813816667 is a deficient number, since it is larger than the sum of its proper divisors (3055434853).

13813816667 is a wasteful number, since it uses less digits than its factorization.

13813816667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1065110.

The product of its digits is 870912, while the sum is 50.

The spelling of 13813816667 in words is "thirteen billion, eight hundred thirteen million, eight hundred sixteen thousand, six hundred sixty-seven".

Divisors: 1 7 17 109 119 763 1853 12971 1064977 7454839 18104609 116082493 126732263 812577451 1973402381 13813816667