Base | Representation |
---|---|
bin | 10111001100001110… |
… | …00000110100000000 |
3 | 1012010200212120220100 |
4 | 23212013000310000 |
5 | 200444314020413 |
6 | 5415242042400 |
7 | 620351531613 |
oct | 134607006400 |
9 | 35120776810 |
10 | 12450532608 |
11 | 530a001478 |
12 | 24b57a9400 |
13 | 12355b9a77 |
14 | 8617b817a |
15 | 4cd0b6a73 |
hex | 2e61c0d00 |
12450532608 has 54 divisors (see below), whose sum is σ = 35897961554. Its totient is φ = 4150176768.
The previous prime is 12450532579. The next prime is 12450532609. The reversal of 12450532608 is 80623505421.
12450532608 is a `hidden beast` number, since 1 + 2 + 45 + 0 + 5 + 3 + 2 + 608 = 666.
It can be written as a sum of positive squares in only one way, i.e., 8195318784 + 4255213824 = 90528^2 + 65232^2 .
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12450532609) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2699635 + ... + 2704242.
Almost surely, 212450532608 is an apocalyptic number.
12450532608 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
12450532608 is an abundant number, since it is smaller than the sum of its proper divisors (23447428946).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12450532608 is an equidigital number, since it uses as much as digits as its factorization.
12450532608 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5403899 (or 5403882 counting only the distinct ones).
The product of its (nonzero) digits is 57600, while the sum is 36.
The spelling of 12450532608 in words is "twelve billion, four hundred fifty million, five hundred thirty-two thousand, six hundred eight".
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