Base | Representation |
---|---|
bin | 10111001100001111… |
… | …10110000010010111 |
3 | 1012010201021122221200 |
4 | 23212013312002113 |
5 | 200444343004430 |
6 | 5415250443543 |
7 | 620353430322 |
oct | 134607660227 |
9 | 35121248850 |
10 | 12450750615 |
11 | 530a140246 |
12 | 24b58935b3 |
13 | 1235665074 |
14 | 8618337b9 |
15 | 4cd10b460 |
hex | 2e61f6097 |
12450750615 has 48 divisors (see below), whose sum is σ = 22889288448. Its totient is φ = 6239259648.
The previous prime is 12450750607. The next prime is 12450750647. The reversal of 12450750615 is 51605705421.
It is not a de Polignac number, because 12450750615 - 23 = 12450750607 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 12450750615.
It is a congruent number.
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, 450949 + ... + 477761.
It is an arithmetic number, because the mean of its divisors is an integer number (476860176).
Almost surely, 212450750615 is an apocalyptic number.
12450750615 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
12450750615 is a deficient number, since it is larger than the sum of its proper divisors (10438537833).
12450750615 is a wasteful number, since it uses less digits than its factorization.
12450750615 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27448 (or 27445 counting only the distinct ones).
The product of its (nonzero) digits is 42000, while the sum is 36.
The spelling of 12450750615 in words is "twelve billion, four hundred fifty million, seven hundred fifty thousand, six hundred fifteen".
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