Base | Representation |
---|---|
bin | 11001000101101001… |
… | …11101000011000000 |
3 | 1021202200200200220000 |
4 | 30202310331003000 |
5 | 210041104140033 |
6 | 10104311520000 |
7 | 654531246141 |
oct | 144264750300 |
9 | 37680620800 |
10 | 13469208768 |
11 | 57920209a4 |
12 | 273a989000 |
13 | 1368665922 |
14 | 91abc7ac8 |
15 | 53c736a13 |
hex | 322d3d0c0 |
13469208768 has 140 divisors (see below), whose sum is σ = 40011611112. Its totient is φ = 4480220160.
The previous prime is 13469208743. The next prime is 13469208769. The reversal of 13469208768 is 86780296431.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is not an unprimeable number, because it can be changed into a prime (13469208769) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2698371 + ... + 2703357.
Almost surely, 213469208768 is an apocalyptic number.
13469208768 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 13469208768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20005805556).
13469208768 is an abundant number, since it is smaller than the sum of its proper divisors (26542402344).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13469208768 is an equidigital number, since it uses as much as digits as its factorization.
13469208768 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5532 (or 5513 counting only the distinct ones).
The product of its (nonzero) digits is 3483648, while the sum is 54.
The spelling of 13469208768 in words is "thirteen billion, four hundred sixty-nine million, two hundred eight thousand, seven hundred sixty-eight".
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