Base | Representation |
---|---|
bin | 111100101011111000… |
… | …0010110100011110001 |
3 | 110110101022112120210201 |
4 | 1321113300112203301 |
5 | 4113344223440420 |
6 | 135511353555201 |
7 | 12262324605664 |
oct | 1712760264361 |
9 | 413338476721 |
10 | 130321311985 |
11 | 502a5a8a627 |
12 | 21310415b01 |
13 | c39b624c77 |
14 | 64440296db |
15 | 35cb18210a |
hex | 1e57c168f1 |
130321311985 has 8 divisors (see below), whose sum is σ = 160199856936. Its totient is φ = 101714194560.
The previous prime is 130321311971. The next prime is 130321312073. The reversal of 130321311985 is 589113123031.
It can be written as a sum of positive squares in 4 ways, for example, as 110754576 + 130210557409 = 10524^2 + 360847^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 130321311985 - 29 = 130321311473 is a prime.
It is a Duffinian 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, 317856654 + ... + 317857063.
It is an arithmetic number, because the mean of its divisors is an integer number (20024982117).
Almost surely, 2130321311985 is an apocalyptic number.
It is an amenable number.
130321311985 is a deficient number, since it is larger than the sum of its proper divisors (29878544951).
130321311985 is an equidigital number, since it uses as much as digits as its factorization.
130321311985 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 635713763.
The product of its (nonzero) digits is 19440, while the sum is 37.
The spelling of 130321311985 in words is "one hundred thirty billion, three hundred twenty-one million, three hundred eleven thousand, nine hundred eighty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •