Base | Representation |
---|---|
bin | 111101000001010011… |
… | …0010100101001011101 |
3 | 110112020102001221201100 |
4 | 1322002212110221131 |
5 | 4121332231244010 |
6 | 140110552103313 |
7 | 12316203332430 |
oct | 1720246245135 |
9 | 415212057640 |
10 | 131040103005 |
11 | 506347a3999 |
12 | 21491094b39 |
13 | c4845133b6 |
14 | 64b1695817 |
15 | 361e3172c0 |
hex | 1e82994a5d |
131040103005 has 96 divisors (see below), whose sum is σ = 264492184320. Its totient is φ = 58775362560.
The previous prime is 131040103003. The next prime is 131040103021. The reversal of 131040103005 is 500301040131.
131040103005 is a `hidden beast` number, since 1 + 310 + 40 + 10 + 300 + 5 = 666.
It is not a de Polignac number, because 131040103005 - 21 = 131040103003 is a prime.
It is a super-2 number, since 2×1310401030052 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131040103003) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 10047969 + ... + 10061001.
It is an arithmetic number, because the mean of its divisors is an integer number (2755126920).
Almost surely, 2131040103005 is an apocalyptic number.
131040103005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
131040103005 is an abundant number, since it is smaller than the sum of its proper divisors (133452081315).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131040103005 is a wasteful number, since it uses less digits than its factorization.
131040103005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13651 (or 13648 counting only the distinct ones).
The product of its (nonzero) digits is 180, while the sum is 18.
Adding to 131040103005 its reverse (500301040131), we get a palindrome (631341143136).
The spelling of 131040103005 in words is "one hundred thirty-one billion, forty million, one hundred three thousand, five".
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