Base | Representation |
---|---|
bin | 10110100111100000… |
… | …00001000001000101 |
3 | 1011100020021122010211 |
4 | 23103300001001011 |
5 | 144331440423440 |
6 | 5324520115421 |
7 | 606621445111 |
oct | 132360010105 |
9 | 34306248124 |
10 | 12142514245 |
11 | 5171150744 |
12 | 242a605b71 |
13 | 11b6842394 |
14 | 832918741 |
15 | 4b1021eea |
hex | 2d3c01045 |
12142514245 has 4 divisors (see below), whose sum is σ = 14571017100. Its totient is φ = 9714011392.
The previous prime is 12142514239. The next prime is 12142514287. The reversal of 12142514245 is 54241524121.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 6153147364 + 5989366881 = 78442^2 + 77391^2 .
It is a cyclic number.
It is not a de Polignac number, because 12142514245 - 27 = 12142514117 is a prime.
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, 1214251420 + ... + 1214251429.
It is an arithmetic number, because the mean of its divisors is an integer number (3642754275).
Almost surely, 212142514245 is an apocalyptic number.
It is an amenable number.
12142514245 is a deficient number, since it is larger than the sum of its proper divisors (2428502855).
12142514245 is an equidigital number, since it uses as much as digits as its factorization.
12142514245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2428502854.
The product of its digits is 12800, while the sum is 31.
The spelling of 12142514245 in words is "twelve billion, one hundred forty-two million, five hundred fourteen thousand, two hundred forty-five".
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