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13520050555 = 5112231915087
BaseRepresentation
bin11001001011101101…
…11001100101111011
31021220020100201201011
430211312321211323
5210142113104210
610113325334351
7656016351004
oct144566714573
937806321634
1013520050555
115808797100
122753a073b7
13137605721b
149238601ab
15541e2ad8a
hex325db997b

13520050555 has 48 divisors (see below), whose sum is σ = 18709512192. Its totient is φ = 9354171200.

The previous prime is 13520050543. The next prime is 13520050561. The reversal of 13520050555 is 55505002531.

It is a happy number.

It is not a de Polignac number, because 13520050555 - 215 = 13520017787 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2655222 + ... + 2660308.

It is an arithmetic number, because the mean of its divisors is an integer number (389781504).

Almost surely, 213520050555 is an apocalyptic number.

13520050555 is a deficient number, since it is larger than the sum of its proper divisors (5189461637).

13520050555 is a wasteful number, since it uses less digits than its factorization.

13520050555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5328 (or 5317 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 31.

The spelling of 13520050555 in words is "thirteen billion, five hundred twenty million, fifty thousand, five hundred fifty-five".

Divisors: 1 5 11 23 55 115 121 191 253 605 955 1265 2101 2783 4393 5087 10505 13915 21965 23111 25435 48323 55957 115555 117001 241615 279785 531553 585005 615527 971617 1287011 2657765 3077635 4858085 6435055 10687787 14157121 22347191 53438935 70785605 111735955 117565657 245819101 587828285 1229095505 2704010111 13520050555