Base | Representation |
---|---|
bin | 11000011001110000… |
… | …11101101010000101 |
3 | 1020211000220021121010 |
4 | 30030320131222011 |
5 | 203312330430041 |
6 | 10004000312433 |
7 | 642440626542 |
oct | 141470355205 |
9 | 36730807533 |
10 | 13101030021 |
11 | 561320a842 |
12 | 2657612719 |
13 | 130a2b6291 |
14 | 8c3d47bc9 |
15 | 51a25ba16 |
hex | 30ce1da85 |
13101030021 has 16 divisors (see below), whose sum is σ = 17504779136. Its totient is φ = 8715672576.
The previous prime is 13101029999. The next prime is 13101030037. The reversal of 13101030021 is 12003010131.
It is not a de Polignac number, because 13101030021 - 215 = 13100997253 is a prime.
It is a super-2 number, since 2×131010300212 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 13101029979 and 13101030006.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13101030721) 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, 4623021 + ... + 4625853.
It is an arithmetic number, because the mean of its divisors is an integer number (1094048696).
Almost surely, 213101030021 is an apocalyptic number.
It is an amenable number.
13101030021 is a deficient number, since it is larger than the sum of its proper divisors (4403749115).
13101030021 is a wasteful number, since it uses less digits than its factorization.
13101030021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5532.
The product of its (nonzero) digits is 18, while the sum is 12.
Adding to 13101030021 its reverse (12003010131), we get a palindrome (25104040152).
The spelling of 13101030021 in words is "thirteen billion, one hundred one million, thirty thousand, twenty-one".
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