Base | Representation |
---|---|
bin | 11001001010110010… |
… | …01010011101111010 |
3 | 1021212200200200201000 |
4 | 30211121022131322 |
5 | 210133114132404 |
6 | 10112450305430 |
7 | 655563163323 |
oct | 144531123572 |
9 | 37780620630 |
10 | 13512255354 |
11 | 5804352494 |
12 | 2751288276 |
13 | 1374558090 |
14 | 9227d144a |
15 | 5413db339 |
hex | 32564a77a |
13512255354 has 64 divisors (see below), whose sum is σ = 32391838080. Its totient is φ = 4150569600.
The previous prime is 13512255347. The next prime is 13512255359. The reversal of 13512255354 is 45355221531.
13512255354 is a `hidden beast` number, since 1 + 3 + 51 + 2 + 2 + 553 + 54 = 666.
It is a super-3 number, since 3×135122553543 (a number of 31 digits) contains 333 as substring.
It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (13512255359) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 405889 + ... + 437915.
It is an arithmetic number, because the mean of its divisors is an integer number (506122470).
Almost surely, 213512255354 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 13512255354, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16195919040).
13512255354 is an abundant number, since it is smaller than the sum of its proper divisors (18879582726).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13512255354 is a wasteful number, since it uses less digits than its factorization.
13512255354 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32652 (or 32646 counting only the distinct ones).
The product of its digits is 90000, while the sum is 36.
Adding to 13512255354 its reverse (45355221531), we get a palindrome (58867476885).
The spelling of 13512255354 in words is "thirteen billion, five hundred twelve million, two hundred fifty-five thousand, three hundred fifty-four".
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