Base | Representation |
---|---|
bin | 10111010101111101… |
… | …11110100110000010 |
3 | 1012100101202102202101 |
4 | 23222332332212002 |
5 | 201131232444300 |
6 | 5431322541014 |
7 | 622363620040 |
oct | 135276764602 |
9 | 35311672671 |
10 | 12532312450 |
11 | 5351188919 |
12 | 251906776a |
13 | 12495212c8 |
14 | 86c5c5390 |
15 | 4d536cb6a |
hex | 2eafbe982 |
12532312450 has 96 divisors (see below), whose sum is σ = 29433901824. Its totient is φ = 3868170240.
The previous prime is 12532312379. The next prime is 12532312523. The reversal of 12532312450 is 5421323521.
12532312450 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 91062 + ... + 182638.
It is an arithmetic number, because the mean of its divisors is an integer number (306603144).
Almost surely, 212532312450 is an apocalyptic number.
12532312450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12532312450 is an abundant number, since it is smaller than the sum of its proper divisors (16901589374).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12532312450 is a wasteful number, since it uses less digits than its factorization.
12532312450 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 91636 (or 91631 counting only the distinct ones).
The product of its (nonzero) digits is 7200, while the sum is 28.
Adding to 12532312450 its reverse (5421323521), we get a palindrome (17953635971).
The spelling of 12532312450 in words is "twelve billion, five hundred thirty-two million, three hundred twelve thousand, four hundred fifty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •