Base | Representation |
---|---|
bin | 111101000011001001… |
… | …0100001010111101111 |
3 | 110112101201120201101020 |
4 | 1322012102201113233 |
5 | 4121444104133403 |
6 | 140121043145223 |
7 | 12320554535604 |
oct | 1720622412757 |
9 | 415351521336 |
10 | 131102021103 |
11 | 50666744979 |
12 | 214a9975213 |
13 | c4942b2421 |
14 | 64b99b26ab |
15 | 3624998453 |
hex | 1e864a15ef |
131102021103 has 16 divisors (see below), whose sum is σ = 175748590080. Its totient is φ = 86929589024.
The previous prime is 131102021053. The next prime is 131102021129. The reversal of 131102021103 is 301120201131.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 131102021103 - 29 = 131102020591 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131102021003) 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, 293878 + ... + 590396.
It is an arithmetic number, because the mean of its divisors is an integer number (10984286880).
Almost surely, 2131102021103 is an apocalyptic number.
131102021103 is a deficient number, since it is larger than the sum of its proper divisors (44646568977).
131102021103 is a wasteful number, since it uses less digits than its factorization.
131102021103 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 297318.
The product of its (nonzero) digits is 36, while the sum is 15.
Adding to 131102021103 its reverse (301120201131), we get a palindrome (432222222234).
The spelling of 131102021103 in words is "one hundred thirty-one billion, one hundred two million, twenty-one thousand, one hundred three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.064 sec. • engine limits •