Base | Representation |
---|---|
bin | 10110100110000010… |
… | …00011001101000000 |
3 | 1011022101010010111202 |
4 | 23103001003031000 |
5 | 144320312434212 |
6 | 5323400200332 |
7 | 606412006445 |
oct | 132301031500 |
9 | 34271103452 |
10 | 12130202432 |
11 | 5165201697 |
12 | 24264690a8 |
13 | 11b412149a |
14 | 8310319cc |
15 | 4aedde0c2 |
hex | 2d3043340 |
12130202432 has 28 divisors (see below), whose sum is σ = 24525044676. Its totient is φ = 5950663680.
The previous prime is 12130202429. The next prime is 12130202459. The reversal of 12130202432 is 23420203121.
It can be written as a sum of positive squares in 2 ways, for example, as 8474307136 + 3655895296 = 92056^2 + 60464^2 .
It is a super-2 number, since 2×121302024322 (a number of 21 digits) contains 22 as substring.
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, 1784669 + ... + 1791452.
Almost surely, 212130202432 is an apocalyptic number.
It is an amenable number.
12130202432 is an abundant number, since it is smaller than the sum of its proper divisors (12394842244).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12130202432 is an equidigital number, since it uses as much as digits as its factorization.
12130202432 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3576186 (or 3576176 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 20.
Adding to 12130202432 its reverse (23420203121), we get a palindrome (35550405553).
The spelling of 12130202432 in words is "twelve billion, one hundred thirty million, two hundred two thousand, four hundred thirty-two".
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