Base | Representation |
---|---|
bin | 11001001101000010… |
… | …11100001011001101 |
3 | 1021221000100021222000 |
4 | 30212201130023031 |
5 | 210202441433003 |
6 | 10114404342513 |
7 | 656213215152 |
oct | 144641341315 |
9 | 37830307860 |
10 | 13531202253 |
11 | 5814013588 |
12 | 27576a4a39 |
13 | 137846006a |
14 | 925124229 |
15 | 542dd01a3 |
hex | 32685c2cd |
13531202253 has 16 divisors (see below), whose sum is σ = 20588016960. Its totient is φ = 8776995408.
The previous prime is 13531202231. The next prime is 13531202263. The reversal of 13531202253 is 35220213531.
It is a happy number.
It is not a de Polignac number, because 13531202253 - 217 = 13531071181 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13531202263) 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, 6771375 + ... + 6773372.
It is an arithmetic number, because the mean of its divisors is an integer number (1286751060).
Almost surely, 213531202253 is an apocalyptic number.
It is an amenable number.
13531202253 is a deficient number, since it is larger than the sum of its proper divisors (7056814707).
13531202253 is a wasteful number, since it uses less digits than its factorization.
13531202253 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13544793 (or 13544787 counting only the distinct ones).
The product of its (nonzero) digits is 5400, while the sum is 27.
Adding to 13531202253 its reverse (35220213531), we get a palindrome (48751415784).
The spelling of 13531202253 in words is "thirteen billion, five hundred thirty-one million, two hundred two thousand, two hundred fifty-three".
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