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20131411135 = 5111723936127
BaseRepresentation
bin10010101111111011…
…001111010010111111
31220221222210122102211
4102233323033102333
5312212120124020
613125342001251
71311606112513
oct225773172277
956858718384
1020131411135
1185a0725170
123a99b76227
131b8a9987c4
14d8d932143
157cc57785a
hex4afecf4bf

20131411135 has 32 divisors (see below), whose sum is σ = 29117325312. Its totient is φ = 13180654080.

The previous prime is 20131411127. The next prime is 20131411147. The reversal of 20131411135 is 53111413102.

It is a happy number.

It is not a de Polignac number, because 20131411135 - 23 = 20131411127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 446559 + ... + 489568.

It is an arithmetic number, because the mean of its divisors is an integer number (909916416).

Almost surely, 220131411135 is an apocalyptic number.

20131411135 is a deficient number, since it is larger than the sum of its proper divisors (8985914177).

20131411135 is a wasteful number, since it uses less digits than its factorization.

20131411135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 936183.

The product of its (nonzero) digits is 360, while the sum is 22.

Adding to 20131411135 its reverse (53111413102), we get a palindrome (73242824237).

The spelling of 20131411135 in words is "twenty billion, one hundred thirty-one million, four hundred eleven thousand, one hundred thirty-five".

Divisors: 1 5 11 17 23 55 85 115 187 253 391 935 1265 1955 4301 21505 936127 4680635 10297397 15914159 21530921 51486985 79570795 107654605 175055749 236840131 366025657 875278745 1184200655 1830128285 4026282227 20131411135