Base | Representation |
---|---|
bin | 11001001001111101… |
… | …10101011011101100 |
3 | 1021212012201001002000 |
4 | 30210332311123230 |
5 | 210124332302302 |
6 | 10112042332300 |
7 | 655450416213 |
oct | 144476653354 |
9 | 37765631060 |
10 | 13505353452 |
11 | 5800468a38 |
12 | 274aaba090 |
13 | 1372cac706 |
14 | 92191607a |
15 | 5409c631c |
hex | 324fb56ec |
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".
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