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12903811094 = 2181311114617
BaseRepresentation
bin11000000010010000…
…01000100000010110
31020022021210112002102
430001020020200112
5202411333423334
65532233242102
7634524404336
oct140110104026
936267715072
1012903811094
115521957299
122601563332
1312a8493aa5
148a5a8b0c6
15507ca167e
hex301208816

12903811094 has 16 divisors (see below), whose sum is σ = 19525405536. Its totient is φ = 6395572800.

The previous prime is 12903811073. The next prime is 12903811097. The reversal of 12903811094 is 49011830921.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12903811097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55274 + ... + 169890.

It is an arithmetic number, because the mean of its divisors is an integer number (1220337846).

Almost surely, 212903811094 is an apocalyptic number.

12903811094 is a deficient number, since it is larger than the sum of its proper divisors (6621594442).

12903811094 is a wasteful number, since it uses less digits than its factorization.

12903811094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115111.

The product of its (nonzero) digits is 15552, while the sum is 38.

The spelling of 12903811094 in words is "twelve billion, nine hundred three million, eight hundred eleven thousand, ninety-four".

Divisors: 1 2 181 311 362 622 56291 112582 114617 229234 20745677 35645887 41491354 71291774 6451905547 12903811094