Base | Representation |
---|---|
bin | 10111010000000100… |
… | …00101100000000001 |
3 | 1012012221120201022001 |
4 | 23220002011200001 |
5 | 201031043424041 |
6 | 5422353344001 |
7 | 621223003600 |
oct | 135002054001 |
9 | 35187521261 |
10 | 12482795521 |
11 | 5326238039 |
12 | 2504568001 |
13 | 123c1a4a51 |
14 | 865bb5a37 |
15 | 4d0d3b131 |
hex | 2e8085801 |
12482795521 has 24 divisors (see below), whose sum is σ = 14726469384. Its totient is φ = 10549002240.
The previous prime is 12482795477. The next prime is 12482795557. The reversal of 12482795521 is 12559728421.
It can be written as a sum of positive squares in 4 ways, for example, as 52998400 + 12429797121 = 7280^2 + 111489^2 .
It is not a de Polignac number, because 12482795521 - 217 = 12482664449 is a prime.
It is a super-2 number, since 2×124827955212 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12482795021) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1062801 + ... + 1074481.
It is an arithmetic number, because the mean of its divisors is an integer number (613602891).
Almost surely, 212482795521 is an apocalyptic number.
It is an amenable number.
12482795521 is a deficient number, since it is larger than the sum of its proper divisors (2243673863).
12482795521 is a wasteful number, since it uses less digits than its factorization.
12482795521 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12001 (or 11994 counting only the distinct ones).
The product of its digits is 403200, while the sum is 46.
The spelling of 12482795521 in words is "twelve billion, four hundred eighty-two million, seven hundred ninety-five thousand, five hundred twenty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.086 sec. • engine limits •