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2118238008 = 23388259917
BaseRepresentation
bin111111001000001…
…1011111100111000
312110121211122021120
41332100123330320
513314232104013
6550105105240
7103330504005
oct17620337470
95417748246
102118238008
11997765627
124b1488220
13279b05293
141614768ac
15c5e6b123
hex7e41bf38

2118238008 has 16 divisors (see below), whose sum is σ = 5295595080. Its totient is φ = 706079328.

The previous prime is 2118237977. The next prime is 2118238021. The reversal of 2118238008 is 8008328112.

It is a self number, because there is not a number n which added to its sum of digits gives 2118238008.

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, 44129935 + ... + 44129982.

Almost surely, 22118238008 is an apocalyptic number.

It is an amenable number.

2118238008 is an abundant number, since it is smaller than the sum of its proper divisors (3177357072).

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

2118238008 is a wasteful number, since it uses less digits than its factorization.

2118238008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88259926 (or 88259922 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 33.

The square root of 2118238008 is about 46024.3197451087. The cubic root of 2118238008 is about 1284.2756611586.

The spelling of 2118238008 in words is "two billion, one hundred eighteen million, two hundred thirty-eight thousand, eight".

Divisors: 1 2 3 4 6 8 12 24 88259917 176519834 264779751 353039668 529559502 706079336 1059119004 2118238008