Base | Representation |
---|---|
bin | 11000101000100010… |
… | …11111011001000011 |
3 | 1021010200020012021200 |
4 | 30110101133121003 |
5 | 204041101444420 |
6 | 10024150152243 |
7 | 645504624243 |
oct | 142421373103 |
9 | 37120205250 |
10 | 13225031235 |
11 | 5677204789 |
12 | 2691052683 |
13 | 1329bb1490 |
14 | 8d65c5b23 |
15 | 5260a2b90 |
hex | 31445f643 |
13225031235 has 24 divisors (see below), whose sum is σ = 24686726064. Its totient is φ = 6510784320.
The previous prime is 13225031231. The next prime is 13225031297. The reversal of 13225031235 is 53213052231.
It is a happy number.
13225031235 is a `hidden beast` number, since 1 + 32 + 2 + 503 + 123 + 5 = 666.
It is not a de Polignac number, because 13225031235 - 22 = 13225031231 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 13225031199 and 13225031208.
It is not an unprimeable number, because it can be changed into a prime (13225031231) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11302861 + ... + 11304030.
It is an arithmetic number, because the mean of its divisors is an integer number (1028613586).
Almost surely, 213225031235 is an apocalyptic number.
13225031235 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
13225031235 is a deficient number, since it is larger than the sum of its proper divisors (11461694829).
13225031235 is a wasteful number, since it uses less digits than its factorization.
13225031235 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22606915 (or 22606912 counting only the distinct ones).
The product of its (nonzero) digits is 5400, while the sum is 27.
Adding to 13225031235 its reverse (53213052231), we get a palindrome (66438083466).
The spelling of 13225031235 in words is "thirteen billion, two hundred twenty-five million, thirty-one thousand, two hundred thirty-five".
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