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13551401532 = 2232944578737
BaseRepresentation
bin11001001111011100…
…11111101000111100
31021222102100112011110
430213232133220330
5210223124322112
610120405322020
7656550004164
oct144756375074
937872315143
1013551401532
11582445a5a9
122762406310
13137c6b30b6
14927aa15a4
15544a7013c
hex327b9fa3c

13551401532 has 48 divisors (see below), whose sum is σ = 32721363360. Its totient is φ = 4359892992.

The previous prime is 13551401527. The next prime is 13551401543. The reversal of 13551401532 is 23510415531.

It is a self number, because there is not a number n which added to its sum of digits gives 13551401532.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1546668 + ... + 1555404.

It is an arithmetic number, because the mean of its divisors is an integer number (681695070).

Almost surely, 213551401532 is an apocalyptic number.

13551401532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13551401532 is an abundant number, since it is smaller than the sum of its proper divisors (19169961828).

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

13551401532 is a wasteful number, since it uses less digits than its factorization.

13551401532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13230 (or 13228 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

The spelling of 13551401532 in words is "thirteen billion, five hundred fifty-one million, four hundred one thousand, five hundred thirty-two".

Divisors: 1 2 3 4 6 12 29 58 87 116 174 348 4457 8737 8914 13371 17474 17828 26211 26742 34948 52422 53484 104844 129253 253373 258506 387759 506746 517012 760119 775518 1013492 1520238 1551036 3040476 38940809 77881618 116822427 155763236 233644854 467289708 1129283461 2258566922 3387850383 4517133844 6775700766 13551401532