Base | Representation |
---|---|
bin | 10111101111001101… |
… | …00111100011011101 |
3 | 1012220011010211020000 |
4 | 23313212213203131 |
5 | 202044432433204 |
6 | 5504324444513 |
7 | 630544320444 |
oct | 136746474335 |
9 | 35804124200 |
10 | 12744030429 |
11 | 544a744759 |
12 | 2577b49739 |
13 | 128134c110 |
14 | 88c777d5b |
15 | 4e8c3e039 |
hex | 2f79a78dd |
12744030429 has 40 divisors (see below), whose sum is σ = 20713317240. Its totient is φ = 7761567744.
The previous prime is 12744030421. The next prime is 12744030437. The reversal of 12744030429 is 92403044721.
It is an interprime number because it is at equal distance from previous prime (12744030421) and next prime (12744030437).
It can be written as a sum of positive squares in 4 ways, for example, as 731432025 + 12012598404 = 27045^2 + 109602^2 .
It is not a de Polignac number, because 12744030429 - 23 = 12744030421 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 12744030393 and 12744030402.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12744030421) by changing a digit.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 39757 + ... + 164525.
It is an arithmetic number, because the mean of its divisors is an integer number (517832931).
Almost surely, 212744030429 is an apocalyptic number.
It is an amenable number.
12744030429 is a deficient number, since it is larger than the sum of its proper divisors (7969286811).
12744030429 is a wasteful number, since it uses less digits than its factorization.
12744030429 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 124891 (or 124882 counting only the distinct ones).
The product of its (nonzero) digits is 48384, while the sum is 36.
The spelling of 12744030429 in words is "twelve billion, seven hundred forty-four million, thirty thousand, four hundred twenty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •