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13423685884 = 2277323892749
BaseRepresentation
bin11001000000001110…
…10011000011111100
31021122112000220020021
430200013103003330
5204442430422014
610100004101524
7653436306310
oct144007230374
937575026207
1013423685884
115769358984
1227276948a4
13135c0b72cb
14914b37b40
15538743624
hex3201d30fc

13423685884 has 48 divisors (see below), whose sum is σ = 27236440000. Its totient is φ = 5669761536.

The previous prime is 13423685861. The next prime is 13423685887. The reversal of 13423685884 is 48858632431.

It is a super-2 number, since 2×134236858842 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13423685887) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4881742 + ... + 4884490.

Almost surely, 213423685884 is an apocalyptic number.

13423685884 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13423685884 is an abundant number, since it is smaller than the sum of its proper divisors (13812754116).

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

13423685884 is a wasteful number, since it uses less digits than its factorization.

13423685884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5222 (or 5220 counting only the distinct ones).

The product of its digits is 4423680, while the sum is 52.

The spelling of 13423685884 in words is "thirteen billion, four hundred twenty-three million, six hundred eighty-five thousand, eight hundred eighty-four".

Divisors: 1 2 4 7 14 28 73 146 292 511 1022 2044 2389 2749 4778 5498 9556 10996 16723 19243 33446 38486 66892 76972 174397 200677 348794 401354 697588 802708 1220779 1404739 2441558 2809478 4883116 5618956 6567361 13134722 26269444 45971527 91943054 183886108 479417353 958834706 1917669412 3355921471 6711842942 13423685884