Base | Representation |
---|---|
bin | 10110111010101000… |
… | …01101010011010000 |
3 | 1011202102020222200000 |
4 | 23131110031103100 |
5 | 200144031343223 |
6 | 5352451530000 |
7 | 613610514003 |
oct | 133524152320 |
9 | 34672228600 |
10 | 12302996688 |
11 | 52437a2564 |
12 | 24742b9900 |
13 | 1210b715c8 |
14 | 849d7153a |
15 | 4c0172543 |
hex | 2dd50d4d0 |
12302996688 has 120 divisors (see below), whose sum is σ = 36672007008. Its totient is φ = 3990114432.
The previous prime is 12302996669. The next prime is 12302996711. The reversal of 12302996688 is 88669920321.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 101095 + ... + 186617.
Almost surely, 212302996688 is an apocalyptic number.
12302996688 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12302996688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18336003504).
12302996688 is an abundant number, since it is smaller than the sum of its proper divisors (24369010320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12302996688 is an equidigital number, since it uses as much as digits as its factorization.
12302996688 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 85583 (or 85565 counting only the distinct ones).
The product of its (nonzero) digits is 2239488, while the sum is 54.
The spelling of 12302996688 in words is "twelve billion, three hundred two million, nine hundred ninety-six thousand, six hundred eighty-eight".
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