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12903312088 = 232222972559
BaseRepresentation
bin11000000010001100…
…01110101011011000
31020022020212011120201
430001012032223120
5202411221441323
65532214431544
7634520225452
oct140106165330
936266764521
1012903312088
115521646397
1226013625b4
1312a834a914
148a599b2d2
15507c038ad
hex30118ead8

12903312088 has 16 divisors (see below), whose sum is σ = 24195132000. Its totient is φ = 6451276896.

The previous prime is 12903312061. The next prime is 12903312143. The reversal of 12903312088 is 88021330921.

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, 141553 + ... + 214111.

It is an arithmetic number, because the mean of its divisors is an integer number (1512195750).

Almost surely, 212903312088 is an apocalyptic number.

It is an amenable number.

12903312088 is a deficient number, since it is larger than the sum of its proper divisors (11291819912).

12903312088 is a wasteful number, since it uses less digits than its factorization.

12903312088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94794 (or 94790 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 37.

The spelling of 12903312088 in words is "twelve billion, nine hundred three million, three hundred twelve thousand, eighty-eight".

Divisors: 1 2 4 8 22229 44458 72559 88916 145118 177832 290236 580472 1612914011 3225828022 6451656044 12903312088