Base | Representation |
---|---|
bin | 11000101100111101… |
… | …01000111000101111 |
3 | 1021020020212001101100 |
4 | 30112132220320233 |
5 | 204130040014211 |
6 | 10031551214143 |
7 | 646434262404 |
oct | 142636507057 |
9 | 37206761340 |
10 | 13262032431 |
11 | 569608728a |
12 | 26a1517353 |
13 | 133476808b |
14 | 8db4982ab |
15 | 529461156 |
hex | 3167a8e2f |
13262032431 has 24 divisors (see below), whose sum is σ = 19630649376. Its totient is φ = 8624341440.
The previous prime is 13262032417. The next prime is 13262032439. The reversal of 13262032431 is 13423026231.
13262032431 is a `hidden beast` number, since 1 + 3 + 2 + 620 + 3 + 2 + 4 + 31 = 666.
It is not a de Polignac number, because 13262032431 - 213 = 13262024239 is a prime.
It is a super-2 number, since 2×132620324312 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 13262032395 and 13262032404.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13262032439) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2166 + ... + 162876.
It is an arithmetic number, because the mean of its divisors is an integer number (817943724).
Almost surely, 213262032431 is an apocalyptic number.
13262032431 is a deficient number, since it is larger than the sum of its proper divisors (6368616945).
13262032431 is a wasteful number, since it uses less digits than its factorization.
13262032431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 160943 (or 160940 counting only the distinct ones).
The product of its (nonzero) digits is 5184, while the sum is 27.
Adding to 13262032431 its reverse (13423026231), we get a palindrome (26685058662).
The spelling of 13262032431 in words is "thirteen billion, two hundred sixty-two million, thirty-two thousand, four hundred thirty-one".
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