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13420315239 = 3192959313691
BaseRepresentation
bin11000111111110100…
…11100001001100111
31021122021200122120120
430133322130021213
5204441100041424
610055403533023
7653365540332
oct143772341147
937567618516
1013420315239
115767466521
12272652a173
13135b4a7046
149144db619
155382c9a79
hex31fe9c267

13420315239 has 32 divisors (see below), whose sum is σ = 19519315200. Its totient is φ = 8169315840.

The previous prime is 13420315231. The next prime is 13420315243. The reversal of 13420315239 is 93251302431.

It is not a de Polignac number, because 13420315239 - 23 = 13420315231 is a prime.

It is a super-3 number, since 3×134203152393 (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13420315231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 973384 + ... + 987074.

It is an arithmetic number, because the mean of its divisors is an integer number (609978600).

Almost surely, 213420315239 is an apocalyptic number.

13420315239 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

13420315239 is a deficient number, since it is larger than the sum of its proper divisors (6098999961).

13420315239 is a wasteful number, since it uses less digits than its factorization.

13420315239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14335.

The product of its (nonzero) digits is 19440, while the sum is 33.

The spelling of 13420315239 in words is "thirteen billion, four hundred twenty million, three hundred fifteen thousand, two hundred thirty-nine".

Divisors: 1 3 19 29 57 87 551 593 1653 1779 11267 13691 17197 33801 41073 51591 260129 326743 397039 780387 980229 1191117 7543741 8118763 22631223 24356289 154256497 235444127 462769491 706332381 4473438413 13420315239