Base | Representation |
---|---|
bin | 1111101000001… |
… | …10110101101101 |
3 | 100010200120102001 |
4 | 13310012311231 |
5 | 232030200023 |
6 | 21001532301 |
7 | 3151221532 |
oct | 764066555 |
9 | 303616361 |
10 | 131100013 |
11 | 68003420 |
12 | 37aa4091 |
13 | 21212395 |
14 | 135a8d89 |
15 | b7996ad |
hex | 7d06d6d |
131100013 has 8 divisors (see below), whose sum is σ = 143634816. Its totient is φ = 118668000.
The previous prime is 131100007. The next prime is 131100017. The reversal of 131100013 is 310001131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 131100013 - 217 = 130968941 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131100017) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23013 + ... + 28138.
It is an arithmetic number, because the mean of its divisors is an integer number (17954352).
Almost surely, 2131100013 is an apocalyptic number.
It is an amenable number.
131100013 is a deficient number, since it is larger than the sum of its proper divisors (12534803).
131100013 is a wasteful number, since it uses less digits than its factorization.
131100013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 51395.
The product of its (nonzero) digits is 9, while the sum is 10.
The square root of 131100013 is about 11449.8913968649. The cubic root of 131100013 is about 508.0045220938.
Adding to 131100013 its reverse (310001131), we get a palindrome (441101144).
The spelling of 131100013 in words is "one hundred thirty-one million, one hundred thousand, thirteen".
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