Base | Representation |
---|---|
bin | 11001001100111100… |
… | …01100011011010011 |
3 | 1021220221202001200210 |
4 | 30212132030123103 |
5 | 210202232220230 |
6 | 10114334215203 |
7 | 656203042245 |
oct | 144636143323 |
9 | 37827661623 |
10 | 13530351315 |
11 | 5813592228 |
12 | 2757354503 |
13 | 1378222950 |
14 | 924d82095 |
15 | 542cb2eb0 |
hex | 32678c6d3 |
13530351315 has 32 divisors (see below), whose sum is σ = 23319991296. Its totient is φ = 6659337600.
The previous prime is 13530351313. The next prime is 13530351371. The reversal of 13530351315 is 51315303531.
It is not a de Polignac number, because 13530351315 - 21 = 13530351313 is a prime.
It is not an unprimeable number, because it can be changed into a prime (13530351311) 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, 1036962 + ... + 1049928.
It is an arithmetic number, because the mean of its divisors is an integer number (728749728).
Almost surely, 213530351315 is an apocalyptic number.
13530351315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
13530351315 is a deficient number, since it is larger than the sum of its proper divisors (9789639981).
13530351315 is a wasteful number, since it uses less digits than its factorization.
13530351315 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18339.
The product of its (nonzero) digits is 10125, while the sum is 30.
Adding to 13530351315 its reverse (51315303531), we get a palindrome (64845654846).
The spelling of 13530351315 in words is "thirteen billion, five hundred thirty million, three hundred fifty-one thousand, three hundred fifteen".
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