Base | Representation |
---|---|
bin | 10110110110111111… |
… | …01000110101100110 |
3 | 1011200021202110220002 |
4 | 23123133220311212 |
5 | 200113221014010 |
6 | 5345440541302 |
7 | 613060002314 |
oct | 133337506546 |
9 | 34607673802 |
10 | 12272438630 |
11 | 5228520871 |
12 | 2466021832 |
13 | 120773260a |
14 | 845c990b4 |
15 | 4bc6381a5 |
hex | 2db7e8d66 |
12272438630 has 8 divisors (see below), whose sum is σ = 22090389552. Its totient is φ = 4908975448.
The previous prime is 12272438623. The next prime is 12272438663. The reversal of 12272438630 is 3683427221.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×122724386302 (a number of 21 digits) contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 613621922 + ... + 613621941.
It is an arithmetic number, because the mean of its divisors is an integer number (2761298694).
Almost surely, 212272438630 is an apocalyptic number.
12272438630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12272438630 is a deficient number, since it is larger than the sum of its proper divisors (9817950922).
12272438630 is a wasteful number, since it uses less digits than its factorization.
12272438630 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1227243870.
The product of its (nonzero) digits is 96768, while the sum is 38.
The spelling of 12272438630 in words is "twelve billion, two hundred seventy-two million, four hundred thirty-eight thousand, six hundred thirty".
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