Search a number
-
+
16431882313 = 721130485867
BaseRepresentation
bin11110100110110101…
…01010000001001001
31120102011111002221211
433103122222001021
5232123030213223
611314304133121
71121124460300
oct172332520111
946364432854
1016431882313
116a72407430
1232270071a1
13171b3ab4b2
14b1c475437
156628a5d0d
hex3d36aa049

16431882313 has 12 divisors (see below), whose sum is σ = 20852333712. Its totient is φ = 12804063720.

The previous prime is 16431882307. The next prime is 16431882329. The reversal of 16431882313 is 31328813461.

It is not a de Polignac number, because 16431882313 - 229 = 15895011401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16431882113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15242395 + ... + 15243472.

It is an arithmetic number, because the mean of its divisors is an integer number (1737694476).

Almost surely, 216431882313 is an apocalyptic number.

It is an amenable number.

16431882313 is a deficient number, since it is larger than the sum of its proper divisors (4420451399).

16431882313 is a wasteful number, since it uses less digits than its factorization.

16431882313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30485892 (or 30485885 counting only the distinct ones).

The product of its digits is 82944, while the sum is 40.

The spelling of 16431882313 in words is "sixteen billion, four hundred thirty-one million, eight hundred eighty-two thousand, three hundred thirteen".

Divisors: 1 7 11 49 77 539 30485867 213401069 335344537 1493807483 2347411759 16431882313