Base | Representation |
---|---|
bin | 11000010101111110… |
… | …11000111000100000 |
3 | 1020201211011202220022 |
4 | 30022333120320200 |
5 | 203231214303130 |
6 | 10000504133012 |
7 | 641604066221 |
oct | 141277307040 |
9 | 36654152808 |
10 | 13069291040 |
11 | 55a7301883 |
12 | 2648a67168 |
13 | 1303852910 |
14 | 8bda45248 |
15 | 51758c7e5 |
hex | 30afd8e20 |
13069291040 has 96 divisors (see below), whose sum is σ = 33282128880. Its totient is φ = 4821110784.
The previous prime is 13069291009. The next prime is 13069291051. The reversal of 13069291040 is 4019296031.
It is a Cunningham number, because it is equal to 1143212-1.
It can be written as a sum of positive squares in 8 ways, for example, as 784672144 + 12284618896 = 28012^2 + 110836^2 .
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, 2970122 + ... + 2974518.
Almost surely, 213069291040 is an apocalyptic number.
13069291040 is a gapful number since it is divisible by the number (10) 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 13069291040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16641064440).
13069291040 is an abundant number, since it is smaller than the sum of its proper divisors (20212837840).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13069291040 is a wasteful number, since it uses less digits than its factorization.
13069291040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5854 (or 5846 counting only the distinct ones).
The product of its (nonzero) digits is 11664, while the sum is 35.
The spelling of 13069291040 in words is "thirteen billion, sixty-nine million, two hundred ninety-one thousand, forty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •