Base | Representation |
---|---|
bin | 10111001111111011… |
… | …01101111100001100 |
3 | 1012012212102112112210 |
4 | 23213331231330030 |
5 | 201030300303234 |
6 | 5422313030420 |
7 | 621210164304 |
oct | 134775557414 |
9 | 35185375483 |
10 | 12481650444 |
11 | 532562579a |
12 | 25040b5410 |
13 | 123bb937a3 |
14 | 865998604 |
15 | 4d0bb1be9 |
hex | 2e7f6df0c |
12481650444 has 48 divisors (see below), whose sum is σ = 30845114496. Its totient is φ = 3914784000.
The previous prime is 12481650443. The next prime is 12481650527. The reversal of 12481650444 is 44405618421.
It is not an unprimeable number, because it can be changed into a prime (12481650443) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1262119 + ... + 1271969.
It is an arithmetic number, because the mean of its divisors is an integer number (642606552).
Almost surely, 212481650444 is an apocalyptic number.
It is an amenable number.
12481650444 is an abundant number, since it is smaller than the sum of its proper divisors (18363464052).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12481650444 is a wasteful number, since it uses less digits than its factorization.
12481650444 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16086 (or 16084 counting only the distinct ones).
The product of its (nonzero) digits is 122880, while the sum is 39.
The spelling of 12481650444 in words is "twelve billion, four hundred eighty-one million, six hundred fifty thousand, four hundred forty-four".
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