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13201356516 = 2231153954131
BaseRepresentation
bin11000100101101110…
…01011011011100100
31021002000200101200020
430102313023123210
5204014021402031
610021542515140
7645066451605
oct142267133344
937060611606
1013201356516
1156649045a7
122685135ab0
13132501257a
148d33c1dac
15523e78096
hex312dcb6e4

13201356516 has 24 divisors (see below), whose sum is σ = 30829913184. Its totient is φ = 4396631040.

The previous prime is 13201356491. The next prime is 13201356527. The reversal of 13201356516 is 61565310231.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 463230 + ... + 490901.

It is an arithmetic number, because the mean of its divisors is an integer number (1284579716).

Almost surely, 213201356516 is an apocalyptic number.

It is an amenable number.

13201356516 is an abundant number, since it is smaller than the sum of its proper divisors (17628556668).

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

13201356516 is a wasteful number, since it uses less digits than its factorization.

13201356516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955291 (or 955289 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 33.

Adding to 13201356516 its reverse (61565310231), we get a palindrome (74766666747).

The spelling of 13201356516 in words is "thirteen billion, two hundred one million, three hundred fifty-six thousand, five hundred sixteen".

Divisors: 1 2 3 4 6 12 1153 2306 3459 4612 6918 13836 954131 1908262 2862393 3816524 5724786 11449572 1100113043 2200226086 3300339129 4400452172 6600678258 13201356516