Search a number
-
+
129376832352767 = 7120991117177713
BaseRepresentation
bin11101011010101011100100…
…001000100111000111111111
3121222002022012220010210220222
4131122223210020213013333
5113424202223040242032
61135054521332331555
736152111341124426
oct3532534410470777
9558068186123828
10129376832352767
113825045201a43a
121261611b473bbb
13572624bbcb39c
1423d3c2d06a2bd
15ee55c5852a12
hex75aae42271ff

129376832352767 has 16 divisors (see below), whose sum is σ = 131274986169600. Its totient is φ = 127480800854400.

The previous prime is 129376832352749. The next prime is 129376832352797. The reversal of 129376832352767 is 767253238673921.

It is a cyclic number.

It is not a de Polignac number, because 129376832352767 - 210 = 129376832351743 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (71).

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 129376832352767.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129376832352797) 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, 1664764103 + ... + 1664841815.

It is an arithmetic number, because the mean of its divisors is an integer number (8204686635600).

Almost surely, 2129376832352767 is an apocalyptic number.

129376832352767 is a deficient number, since it is larger than the sum of its proper divisors (1898153816833).

129376832352767 is a wasteful number, since it uses less digits than its factorization.

129376832352767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91054.

The product of its digits is 960180480, while the sum is 71.

The spelling of 129376832352767 in words is "one hundred twenty-nine trillion, three hundred seventy-six billion, eight hundred thirty-two million, three hundred fifty-two thousand, seven hundred sixty-seven".

Divisors: 1 71 2099 11171 77713 149029 793141 5517623 23447929 163119587 868131923 1664802959 11581490677 61637366533 1822208906377 129376832352767