Search a number
-
+
12807242383 = 1317358116183
BaseRepresentation
bin10111110110101111…
…10000001010001111
31020001120002022201111
423323113300022033
5202212123224013
65514503352451
7632242523035
oct137327601217
936046068644
1012807242383
115482399841
122595152727
131291482040
14896d10555
154ee57873d
hex2fb5f028f

12807242383 has 16 divisors (see below), whose sum is σ = 14608714176. Its totient is φ = 11122859520.

The previous prime is 12807242369. The next prime is 12807242401. The reversal of 12807242383 is 38324270821.

It is a cyclic number.

It is not a de Polignac number, because 12807242383 - 25 = 12807242351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12807242303) 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, 783310 + ... + 799492.

It is an arithmetic number, because the mean of its divisors is an integer number (913044636).

Almost surely, 212807242383 is an apocalyptic number.

12807242383 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12807242383 is a deficient number, since it is larger than the sum of its proper divisors (1801471793).

12807242383 is a wasteful number, since it uses less digits than its factorization.

12807242383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19794.

The product of its (nonzero) digits is 129024, while the sum is 40.

The spelling of 12807242383 in words is "twelve billion, eight hundred seven million, two hundred forty-two thousand, three hundred eighty-three".

Divisors: 1 13 17 221 3581 16183 46553 60877 210379 275111 791401 3576443 57951323 753367199 985172491 12807242383