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13505353452 = 2233177355857
BaseRepresentation
bin11001001001111101…
…10101011011101100
31021212012201001002000
430210332311123230
5210124332302302
610112042332300
7655450416213
oct144476653354
937765631060
1013505353452
115800468a38
12274aaba090
131372cac706
1492191607a
155409c631c
hex324fb56ec

13505353452 has 48 divisors (see below), whose sum is σ = 37073524320. Its totient is φ = 4236973056.

The previous prime is 13505353409. The next prime is 13505353483. The reversal of 13505353452 is 25435350531.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 3676093 + ... + 3679764.

It is an arithmetic number, because the mean of its divisors is an integer number (772365090).

Almost surely, 213505353452 is an apocalyptic number.

13505353452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13505353452 is an abundant number, since it is smaller than the sum of its proper divisors (23568170868).

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

13505353452 is a wasteful number, since it uses less digits than its factorization.

13505353452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7355887 (or 7355879 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 36.

The spelling of 13505353452 in words is "thirteen billion, five hundred five million, three hundred fifty-three thousand, four hundred fifty-two".

Divisors: 1 2 3 4 6 9 12 17 18 27 34 36 51 54 68 102 108 153 204 306 459 612 918 1836 7355857 14711714 22067571 29423428 44135142 66202713 88270284 125049569 132405426 198608139 250099138 264810852 375148707 397216278 500198276 750297414 794432556 1125446121 1500594828 2250892242 3376338363 4501784484 6752676726 13505353452