Base | Representation |
---|---|
bin | 11000001100110101… |
… | …11011011010011101 |
3 | 1020112110220200212212 |
4 | 30012122323122131 |
5 | 203102102434120 |
6 | 5545125010205 |
7 | 636653325044 |
oct | 140632733235 |
9 | 36473820785 |
10 | 12992624285 |
11 | 5567aa7a23 |
12 | 2627253965 |
13 | 12c09bb784 |
14 | 8b37a955b |
15 | 5109966c5 |
hex | 3066bb69d |
12992624285 has 8 divisors (see below), whose sum is σ = 15596511576. Its totient is φ = 10390524480.
The previous prime is 12992624243. The next prime is 12992624287. The reversal of 12992624285 is 58242629921.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 8189164036 + 4803460249 = 90494^2 + 69307^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12992624285 - 224 = 12975847069 is a prime.
It is a super-2 number, since 2×129926242852 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12992624287) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 430826 + ... + 459995.
It is an arithmetic number, because the mean of its divisors is an integer number (1949563947).
Almost surely, 212992624285 is an apocalyptic number.
It is an amenable number.
12992624285 is a deficient number, since it is larger than the sum of its proper divisors (2603887291).
12992624285 is an equidigital number, since it uses as much as digits as its factorization.
12992624285 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 893743.
The product of its digits is 1244160, while the sum is 50.
The spelling of 12992624285 in words is "twelve billion, nine hundred ninety-two million, six hundred twenty-four thousand, two hundred eighty-five".
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