Base | Representation |
---|---|
bin | 10111010000111110… |
… | …01101100110101110 |
3 | 1012020110221122001122 |
4 | 23220133031212232 |
5 | 201040022242034 |
6 | 5423225140542 |
7 | 621344624264 |
oct | 135037154656 |
9 | 35213848048 |
10 | 12490430894 |
11 | 532a582667 |
12 | 250702a752 |
13 | 1240949216 |
14 | 866c02434 |
15 | 4d184862e |
hex | 2e87cd9ae |
12490430894 has 8 divisors (see below), whose sum is σ = 18738223320. Its totient is φ = 6244356456.
The previous prime is 12490430879. The next prime is 12490430917. The reversal of 12490430894 is 49803409421.
It is a sphenic number, since it is the product of 3 distinct primes.
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, 411164 + ... + 440495.
It is an arithmetic number, because the mean of its divisors is an integer number (2342277915).
Almost surely, 212490430894 is an apocalyptic number.
12490430894 is a deficient number, since it is larger than the sum of its proper divisors (6247792426).
12490430894 is an equidigital number, since it uses as much as digits as its factorization.
12490430894 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 858994.
The product of its (nonzero) digits is 248832, while the sum is 44.
The spelling of 12490430894 in words is "twelve billion, four hundred ninety million, four hundred thirty thousand, eight hundred ninety-four".
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