Base | Representation |
---|---|
bin | 11001001100111011… |
… | …10100100010001111 |
3 | 1021220221120002110100 |
4 | 30212131310202033 |
5 | 210202221102310 |
6 | 10114332142143 |
7 | 656202154035 |
oct | 144635644217 |
9 | 37827502410 |
10 | 13530253455 |
11 | 5813525754 |
12 | 2757307953 |
13 | 13781ba244 |
14 | 924d58555 |
15 | 542c93ec0 |
hex | 32677488f |
13530253455 has 24 divisors (see below), whose sum is σ = 23457397392. Its totient is φ = 7214609664.
The previous prime is 13530253441. The next prime is 13530253487. The reversal of 13530253455 is 55435203531.
13530253455 is a `hidden beast` number, since 1 + 3 + 5 + 302 + 5 + 345 + 5 = 666.
It is not a de Polignac number, because 13530253455 - 221 = 13528156303 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 202407 + ... + 260823.
It is an arithmetic number, because the mean of its divisors is an integer number (977391558).
Almost surely, 213530253455 is an apocalyptic number.
13530253455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
13530253455 is a deficient number, since it is larger than the sum of its proper divisors (9927143937).
13530253455 is a wasteful number, since it uses less digits than its factorization.
13530253455 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 63575 (or 63572 counting only the distinct ones).
The product of its (nonzero) digits is 135000, while the sum is 36.
Adding to 13530253455 its reverse (55435203531), we get a palindrome (68965456986).
The spelling of 13530253455 in words is "thirteen billion, five hundred thirty million, two hundred fifty-three thousand, four hundred fifty-five".
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