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2013233090 = 251125331393
BaseRepresentation
bin111011111111111…
…0111111111000010
312012022020211121112
41313333313333002
513110341424330
6531434323322
7100614125141
oct16777677702
95168224545
102013233090
11943465900
12482289542
1326112b6ab
14151541758
15bbb28795
hex77ff7fc2

2013233090 has 48 divisors (see below), whose sum is σ = 4058490744. Its totient is φ = 718248960.

The previous prime is 2013233059. The next prime is 2013233107. The reversal of 2013233090 is 903323102.

It can be written as a sum of positive squares in 4 ways, for example, as 2013227161 + 5929 = 44869^2 + 77^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48434 + ... + 79826.

Almost surely, 22013233090 is an apocalyptic number.

2013233090 is an abundant number, since it is smaller than the sum of its proper divisors (2045257654).

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

2013233090 is a wasteful number, since it uses less digits than its factorization.

2013233090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31475 (or 31464 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 2013233090 is about 44869.0660700666. The cubic root of 2013233090 is about 1262.6937184689.

Adding to 2013233090 its reverse (903323102), we get a palindrome (2916556192).

The spelling of 2013233090 in words is "two billion, thirteen million, two hundred thirty-three thousand, ninety".

Divisors: 1 2 5 10 11 22 53 55 106 110 121 242 265 530 583 605 1166 1210 2915 5830 6413 12826 31393 32065 62786 64130 156965 313930 345323 690646 1663829 1726615 3327658 3453230 3798553 7597106 8319145 16638290 18302119 18992765 36604238 37985530 91510595 183021190 201323309 402646618 1006616545 2013233090