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12883485742 = 223793545263
BaseRepresentation
bin10111111111110101…
…00110010000101110
31020020212112212221121
423333322212100232
5202341133020432
65530225451154
7634156551631
oct137772462056
936225485847
1012883485742
115511434586
1225b67a0aba
1312a41c855a
148a30b9c18
155060d9197
hex2ffea642e

12883485742 has 16 divisors (see below), whose sum is σ = 20420720640. Its totient is φ = 6083669592.

The previous prime is 12883485733. The next prime is 12883485749. The reversal of 12883485742 is 24758438821.

It is a self number, because there is not a number n which added to its sum of digits gives 12883485742.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12883485749) 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, 1768998 + ... + 1776265.

It is an arithmetic number, because the mean of its divisors is an integer number (1276295040).

Almost surely, 212883485742 is an apocalyptic number.

12883485742 is a deficient number, since it is larger than the sum of its proper divisors (7537234898).

12883485742 is a wasteful number, since it uses less digits than its factorization.

12883485742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3545367.

The product of its digits is 3440640, while the sum is 52.

The spelling of 12883485742 in words is "twelve billion, eight hundred eighty-three million, four hundred eighty-five thousand, seven hundred forty-two".

Divisors: 1 2 23 46 79 158 1817 3634 3545263 7090526 81541049 163082098 280075777 560151554 6441742871 12883485742