Base | Representation |
---|---|
bin | 11000011001101010… |
… | …00010101010011101 |
3 | 1020210222012201010220 |
4 | 30030311002222131 |
5 | 203312113224041 |
6 | 10003525151553 |
7 | 642430202433 |
oct | 141465025235 |
9 | 36728181126 |
10 | 13100133021 |
11 | 5612757918 |
12 | 265725b5b9 |
13 | 130a060c01 |
14 | 8c3b92d53 |
15 | 51a130d66 |
hex | 30cd42a9d |
13100133021 has 16 divisors (see below), whose sum is σ = 17714285760. Its totient is φ = 8609811840.
The previous prime is 13100133017. The next prime is 13100133029. The reversal of 13100133021 is 12033100131.
It is not a de Polignac number, because 13100133021 - 22 = 13100133017 is a prime.
It is a super-2 number, since 2×131001330212 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13100133029) 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, 506635 + ... + 531863.
It is an arithmetic number, because the mean of its divisors is an integer number (1107142860).
Almost surely, 213100133021 is an apocalyptic number.
It is an amenable number.
13100133021 is a deficient number, since it is larger than the sum of its proper divisors (4614152739).
13100133021 is a wasteful number, since it uses less digits than its factorization.
13100133021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27676.
The product of its (nonzero) digits is 54, while the sum is 15.
Adding to 13100133021 its reverse (12033100131), we get a palindrome (25133233152).
The spelling of 13100133021 in words is "thirteen billion, one hundred million, one hundred thirty-three thousand, twenty-one".
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