Base | Representation |
---|---|
bin | 11000111110111101… |
… | …01001111000000111 |
3 | 1021121202222121001220 |
4 | 30133132221320013 |
5 | 204432214001211 |
6 | 10054543451423 |
7 | 653246612622 |
oct | 143736517007 |
9 | 37552877056 |
10 | 13413031431 |
11 | 5763341048 |
12 | 2723bb6b73 |
13 | 1359b268b7 |
14 | 913562db9 |
15 | 53783b806 |
hex | 31f7a9e07 |
13413031431 has 16 divisors (see below), whose sum is σ = 18499555200. Its totient is φ = 8637742368.
The previous prime is 13413031403. The next prime is 13413031441.
13413031431 is nontrivially palindromic in base 10.
It is not a de Polignac number, because 13413031431 - 215 = 13412998663 is a prime.
It is a super-2 number, since 2×134130314312 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13413031441) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 419241 + ... + 450098.
It is an arithmetic number, because the mean of its divisors is an integer number (1156222200).
Almost surely, 213413031431 is an apocalyptic number.
13413031431 is a deficient number, since it is larger than the sum of its proper divisors (5086523769).
13413031431 is a wasteful number, since it uses less digits than its factorization.
13413031431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 869518.
The product of its (nonzero) digits is 1296, while the sum is 24.
It can be divided in two parts, 134130 and 31431, that added together give a palindrome (165561).
The spelling of 13413031431 in words is "thirteen billion, four hundred thirteen million, thirty-one thousand, four hundred thirty-one".
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