Base | Representation |
---|---|
bin | 10110100101011001… |
… | …00011010000001110 |
3 | 1011022000000010010010 |
4 | 23102230203100032 |
5 | 144312424004221 |
6 | 5323045054050 |
7 | 606315225525 |
oct | 132254432016 |
9 | 34260003103 |
10 | 12124828686 |
11 | 5162171283 |
12 | 24246b7326 |
13 | 11b2c8c559 |
14 | 8304334bc |
15 | 4ae6cbc76 |
hex | 2d2b2340e |
12124828686 has 16 divisors (see below), whose sum is σ = 25031904768. Its totient is φ = 3911235000.
The previous prime is 12124828679. The next prime is 12124828699. The reversal of 12124828686 is 68682842121.
It is a super-2 number, since 2×121248286862 (a number of 21 digits) contains 22 as substring.
It is a congruent 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, 32593440 + ... + 32593811.
It is an arithmetic number, because the mean of its divisors is an integer number (1564494048).
Almost surely, 212124828686 is an apocalyptic number.
12124828686 is an abundant number, since it is smaller than the sum of its proper divisors (12907076082).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12124828686 is a wasteful number, since it uses less digits than its factorization.
12124828686 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 65187287.
The product of its digits is 589824, while the sum is 48.
The spelling of 12124828686 in words is "twelve billion, one hundred twenty-four million, eight hundred twenty-eight thousand, six hundred eighty-six".
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