Base | Representation |
---|---|
bin | 11001000010011101… |
… | …01110110111111111 |
3 | 1021200211021021200021 |
4 | 30201032232313333 |
5 | 210012224141111 |
6 | 10101513313011 |
7 | 654054421426 |
oct | 144116566777 |
9 | 37624237607 |
10 | 13442412031 |
11 | 5778989134 |
12 | 2731a05767 |
13 | 1362c42979 |
14 | 9174102bd |
15 | 53a1e1d71 |
hex | 3213aedff |
13442412031 has 8 divisors (see below), whose sum is σ = 14068495584. Its totient is φ = 12819797760.
The previous prime is 13442412017. The next prime is 13442412041. The reversal of 13442412031 is 13021424431.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 13442412031 - 217 = 13442280959 is a prime.
It is a super-2 number, since 2×134424120312 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 13442411987 and 13442412005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13442412001) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 859390 + ... + 874891.
It is an arithmetic number, because the mean of its divisors is an integer number (1758561948).
Almost surely, 213442412031 is an apocalyptic number.
13442412031 is a deficient number, since it is larger than the sum of its proper divisors (626083553).
13442412031 is a wasteful number, since it uses less digits than its factorization.
13442412031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1734641.
The product of its (nonzero) digits is 2304, while the sum is 25.
Adding to 13442412031 its reverse (13021424431), we get a palindrome (26463836462).
The spelling of 13442412031 in words is "thirteen billion, four hundred forty-two million, four hundred twelve thousand, thirty-one".
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