Base | Representation |
---|---|
bin | 10111101101100110… |
… | …11000011100000000 |
3 | 1012212012212102222220 |
4 | 23312303120130000 |
5 | 202033013133133 |
6 | 5503124531040 |
7 | 630322210320 |
oct | 136663303400 |
9 | 35765772886 |
10 | 12730599168 |
11 | 5443100641 |
12 | 2573550a80 |
13 | 127b628821 |
14 | 88aa7d280 |
15 | 4e79895b3 |
hex | 2f6cd8700 |
12730599168 has 72 divisors (see below), whose sum is σ = 38722255488. Its totient is φ = 3637312512.
The previous prime is 12730599163. The next prime is 12730599281. The reversal of 12730599168 is 86199503721.
It is a self number, because there is not a number n which added to its sum of digits gives 12730599168.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12730599163) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1178646 + ... + 1189397.
It is an arithmetic number, because the mean of its divisors is an integer number (537809104).
Almost surely, 212730599168 is an apocalyptic number.
It is an amenable number.
12730599168 is an abundant number, since it is smaller than the sum of its proper divisors (25991656320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12730599168 is an equidigital number, since it uses as much as digits as its factorization.
12730599168 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2368069 (or 2368055 counting only the distinct ones).
The product of its (nonzero) digits is 816480, while the sum is 51.
The spelling of 12730599168 in words is "twelve billion, seven hundred thirty million, five hundred ninety-nine thousand, one hundred sixty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.063 sec. • engine limits •