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2013230212 = 22771901079
BaseRepresentation
bin111011111111111…
…0111010010000100
312012022020200122221
41313333313102010
513110341331322
6531434302124
7100614113560
oct16777672204
95168220587
102013230212
11943463724
12482287944
1326112a2a6
141515406a0
15bbb279c7
hex77ff7484

2013230212 has 12 divisors (see below), whose sum is σ = 4026460480. Its totient is φ = 862812936.

The previous prime is 2013230203. The next prime is 2013230213. The reversal of 2013230212 is 2120323102.

2013230212 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (2013230213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35950512 + ... + 35950567.

Almost surely, 22013230212 is an apocalyptic number.

It is an amenable number.

2013230212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2013230212 is a wasteful number, since it uses less digits than its factorization.

2013230212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71901090 (or 71901088 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2013230212 is about 44869.0339989619. The cubic root of 2013230212 is about 1262.6931167776.

Adding to 2013230212 its reverse (2120323102), we get a palindrome (4133553314).

The spelling of 2013230212 in words is "two billion, thirteen million, two hundred thirty thousand, two hundred twelve".

Divisors: 1 2 4 7 14 28 71901079 143802158 287604316 503307553 1006615106 2013230212