Base | Representation |
---|---|
bin | 10110110001100110… |
… | …10000110110101110 |
3 | 1011120010201201222111 |
4 | 23120303100312232 |
5 | 200020134023010 |
6 | 5341144234234 |
7 | 612000631636 |
oct | 133063206656 |
9 | 34503651874 |
10 | 12227251630 |
11 | 5204a68140 |
12 | 2452a6b97a |
13 | 11cb270b49 |
14 | 83dc956c6 |
15 | 4b86ae58a |
hex | 2d8cd0dae |
12227251630 has 64 divisors (see below), whose sum is σ = 24552668160. Its totient is φ = 4346006400.
The previous prime is 12227251607. The next prime is 12227251661. The reversal of 12227251630 is 3615272221.
It is a junction number, because it is equal to n+sod(n) for n = 12227251592 and 12227251601.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7542220 + ... + 7543840.
It is an arithmetic number, because the mean of its divisors is an integer number (383635440).
Almost surely, 212227251630 is an apocalyptic number.
12227251630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12227251630 is an abundant number, since it is smaller than the sum of its proper divisors (12325416530).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12227251630 is a wasteful number, since it uses less digits than its factorization.
12227251630 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3145.
The product of its (nonzero) digits is 10080, while the sum is 31.
The spelling of 12227251630 in words is "twelve billion, two hundred twenty-seven million, two hundred fifty-one thousand, six hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.097 sec. • engine limits •