Base | Representation |
---|---|
bin | 1111100101111… |
… | …00011101110011 |
3 | 100010010002112022 |
4 | 13302330131303 |
5 | 231440423004 |
6 | 20551222055 |
7 | 3145512431 |
oct | 762743563 |
9 | 303102468 |
10 | 130795379 |
11 | 67915560 |
12 | 3797792b |
13 | 21136820 |
14 | 13529d51 |
15 | b7392be |
hex | 7cbc773 |
130795379 has 32 divisors (see below), whose sum is σ = 159667200. Its totient is φ = 105557760.
The previous prime is 130795369. The next prime is 130795391. The reversal of 130795379 is 973597031.
It is not a de Polignac number, because 130795379 - 220 = 129746803 is a prime.
It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is not an unprimeable number, because it can be changed into a prime (130795309) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 547142 + ... + 547380.
It is an arithmetic number, because the mean of its divisors is an integer number (4989600).
Almost surely, 2130795379 is an apocalyptic number.
130795379 is a deficient number, since it is larger than the sum of its proper divisors (28871821).
130795379 is a wasteful number, since it uses less digits than its factorization.
130795379 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 395.
The product of its (nonzero) digits is 178605, while the sum is 44.
The square root of 130795379 is about 11436.5807390146. The cubic root of 130795379 is about 507.6107375619.
The spelling of 130795379 in words is "one hundred thirty million, seven hundred ninety-five thousand, three hundred seventy-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •