Base | Representation |
---|---|
bin | 11000010001100100… |
… | …00100010011001111 |
3 | 1020122020110121111200 |
4 | 30020302010103033 |
5 | 203142223310211 |
6 | 5553102120543 |
7 | 640644151503 |
oct | 141062042317 |
9 | 36566417450 |
10 | 13032244431 |
11 | 55883a9148 |
12 | 2638580153 |
13 | 12c8c8144b |
14 | 8b8b60303 |
15 | 5141c0b56 |
hex | 308c844cf |
13032244431 has 12 divisors (see below), whose sum is σ = 19473469080. Its totient is φ = 8388570960.
The previous prime is 13032244427. The next prime is 13032244487. The reversal of 13032244431 is 13444223031.
13032244431 is a `hidden beast` number, since 1 + 3 + 0 + 3 + 224 + 4 + 431 = 666.
It is not a de Polignac number, because 13032244431 - 22 = 13032244427 is a prime.
It is a super-2 number, since 2×130322444312 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 13032244395 and 13032244404.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13032244331) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24965725 + ... + 24966246.
It is an arithmetic number, because the mean of its divisors is an integer number (1622789090).
Almost surely, 213032244431 is an apocalyptic number.
13032244431 is a deficient number, since it is larger than the sum of its proper divisors (6441224649).
13032244431 is a wasteful number, since it uses less digits than its factorization.
13032244431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 49932006 (or 49932003 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 27.
Adding to 13032244431 its reverse (13444223031), we get a palindrome (26476467462).
The spelling of 13032244431 in words is "thirteen billion, thirty-two million, two hundred forty-four thousand, four hundred thirty-one".
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