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14920911967 = 133759525773
BaseRepresentation
bin11011110010101101…
…10000110001011111
31102111212022212022011
431321112300301133
5221024223140332
610504330532051
71035516442033
oct157126606137
942455285264
1014920911967
116367514005
122a84b97027
13153a347ac0
14a179181c3
155c4de0e47
hex3795b0c5f

14920911967 has 16 divisors (see below), whose sum is σ = 16782706080. Its totient is φ = 13173743232.

The previous prime is 14920911961. The next prime is 14920911977. The reversal of 14920911967 is 76911902941.

It is not a de Polignac number, because 14920911967 - 23 = 14920911959 is a prime.

It is a super-2 number, since 2×149209119672 (a number of 21 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 14920911967.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14920911961) 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, 234508 + ... + 291265.

It is an arithmetic number, because the mean of its divisors is an integer number (1048919130).

Almost surely, 214920911967 is an apocalyptic number.

14920911967 is a deficient number, since it is larger than the sum of its proper divisors (1861794113).

14920911967 is a wasteful number, since it uses less digits than its factorization.

14920911967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525882.

The product of its (nonzero) digits is 244944, while the sum is 49.

The spelling of 14920911967 in words is "fourteen billion, nine hundred twenty million, nine hundred eleven thousand, nine hundred sixty-seven".

Divisors: 1 13 37 59 481 767 2183 28379 525773 6835049 19453601 31020607 252896813 403267891 1147762459 14920911967