Search a number
-
+
27312243260 = 2251365612163
BaseRepresentation
bin11001011011111011…
…111100001000111100
32121111102210201021012
4121123323330020330
5421413413241020
620314100054352
71654552144241
oct313373741074
977442721235
1027312243260
111064605a675
1253629943b8
1327635a72b3
1414714c15c8
15a9cbb17c5
hex65befc23c

27312243260 has 12 divisors (see below), whose sum is σ = 57355710888. Its totient is φ = 10924897296.

The previous prime is 27312243247. The next prime is 27312243319. The reversal of 27312243260 is 6234221372.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 682806062 + ... + 682806101.

It is an arithmetic number, because the mean of its divisors is an integer number (4779642574).

Almost surely, 227312243260 is an apocalyptic number.

27312243260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27312243260 is an abundant number, since it is smaller than the sum of its proper divisors (30043467628).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27312243260 is a wasteful number, since it uses less digits than its factorization.

27312243260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1365612172 (or 1365612170 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 32.

The spelling of 27312243260 in words is "twenty-seven billion, three hundred twelve million, two hundred forty-three thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 1365612163 2731224326 5462448652 6828060815 13656121630 27312243260