Base | Representation |
---|---|
bin | 10110110000111011… |
… | …10011111011100010 |
3 | 1011112202011000222201 |
4 | 23120131303323202 |
5 | 200012214100010 |
6 | 5340423523414 |
7 | 611602060615 |
oct | 133035637342 |
9 | 34482130881 |
10 | 12221628130 |
11 | 5201877118 |
12 | 2450bb956a |
13 | 11ca05232a |
14 | 83d23017c |
15 | 4b7e4d23a |
hex | 2d8773ee2 |
12221628130 has 16 divisors (see below), whose sum is σ = 22510534464. Its totient is φ = 4774961520.
The previous prime is 12221628109. The next prime is 12221628143. The reversal of 12221628130 is 3182612221.
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, 14210766 + ... + 14211625.
It is an arithmetic number, because the mean of its divisors is an integer number (1406908404).
Almost surely, 212221628130 is an apocalyptic number.
12221628130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12221628130 is a deficient number, since it is larger than the sum of its proper divisors (10288906334).
12221628130 is a wasteful number, since it uses less digits than its factorization.
12221628130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28422441.
The product of its (nonzero) digits is 2304, while the sum is 28.
The spelling of 12221628130 in words is "twelve billion, two hundred twenty-one million, six hundred twenty-eight thousand, one hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.094 sec. • engine limits •