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13637126140 = 22511473493779
BaseRepresentation
bin11001011001101011…
…00000011111111100
31022012101122210012221
430230311200133330
5210412101014030
610133110535124
7661640442151
oct145465403774
938171583187
1013637126140
115868890790
1227870674a4
131394399011
14935218228
1554c354e7a
hex32cd607fc

13637126140 has 96 divisors (see below), whose sum is σ = 32006016000. Its totient is φ = 4838257920.

The previous prime is 13637126137. The next prime is 13637126171. The reversal of 13637126140 is 4162173631.

It is a junction number, because it is equal to n+sod(n) for n = 13637126096 and 13637126105.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3606771 + ... + 3610549.

It is an arithmetic number, because the mean of its divisors is an integer number (333396000).

Almost surely, 213637126140 is an apocalyptic number.

13637126140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13637126140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16003008000).

13637126140 is an abundant number, since it is smaller than the sum of its proper divisors (18368889860).

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

13637126140 is a wasteful number, since it uses less digits than its factorization.

13637126140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4195 (or 4193 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 34.

Adding to 13637126140 its reverse (4162173631), we get a palindrome (17799299771).

The spelling of 13637126140 in words is "thirteen billion, six hundred thirty-seven million, one hundred twenty-six thousand, one hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 47 55 94 110 188 220 235 349 470 517 698 940 1034 1396 1745 2068 2585 3490 3779 3839 5170 6980 7558 7678 10340 15116 15356 16403 18895 19195 32806 37790 38390 41569 65612 75580 76780 82015 83138 164030 166276 177613 180433 207845 328060 355226 360866 415690 710452 721732 831380 888065 902165 1318871 1776130 1804330 1953743 2637742 3552260 3608660 3907486 5275484 6594355 7814972 9768715 13188710 14507581 19537430 26377420 29015162 39074860 58030324 61986937 72537905 123973874 145075810 247947748 290151620 309934685 619869370 681856307 1239738740 1363712614 2727425228 3409281535 6818563070 13637126140