Base | Representation |
---|---|
bin | 1111001001001100… |
… | …01110100000110100 |
3 | 202222121101121202022 |
4 | 13210212032200310 |
5 | 113122312142320 |
6 | 3422430132312 |
7 | 405321334634 |
oct | 74446164064 |
9 | 22877347668 |
10 | 8130193460 |
11 | 34a2311754 |
12 | 16aa951098 |
13 | 9c74c897c |
14 | 571ab86c4 |
15 | 328b66325 |
hex | 1e498e834 |
8130193460 has 24 divisors (see below), whose sum is σ = 17353300776. Its totient is φ = 3198764160.
The previous prime is 8130193453. The next prime is 8130193501. The reversal of 8130193460 is 643910318.
It can be written as a sum of positive squares in 4 ways, for example, as 381264676 + 7748928784 = 19526^2 + 88028^2 .
It is a super-2 number, since 2×81301934602 (a number of 21 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 8130193460.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3330827 + ... + 3333266.
It is an arithmetic number, because the mean of its divisors is an integer number (723054199).
Almost surely, 28130193460 is an apocalyptic number.
It is an amenable number.
8130193460 is an abundant number, since it is smaller than the sum of its proper divisors (9223107316).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8130193460 is a wasteful number, since it uses less digits than its factorization.
8130193460 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6664163 (or 6664161 counting only the distinct ones).
The product of its (nonzero) digits is 15552, while the sum is 35.
The square root of 8130193460 is about 90167.5854173771. The cubic root of 8130193460 is about 2010.7911260815.
The spelling of 8130193460 in words is "eight billion, one hundred thirty million, one hundred ninety-three thousand, four hundred sixty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •