Base | Representation |
---|---|
bin | 1111101010110… |
… | …00101000000101 |
3 | 100011022120221110 |
4 | 13311120220011 |
5 | 232121410023 |
6 | 21013035233 |
7 | 3154115313 |
oct | 765305005 |
9 | 304276843 |
10 | 131435013 |
11 | 68212086 |
12 | 38025b19 |
13 | 212cb9c8 |
14 | 136550b3 |
15 | b813a93 |
hex | 7d58a05 |
131435013 has 8 divisors (see below), whose sum is σ = 175676800. Its totient is φ = 87408288.
The previous prime is 131435011. The next prime is 131435021. The reversal of 131435013 is 310534131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 131435013 - 21 = 131435011 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 (131435011) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52333 + ... + 54786.
It is an arithmetic number, because the mean of its divisors is an integer number (21959600).
Almost surely, 2131435013 is an apocalyptic number.
It is an amenable number.
131435013 is a deficient number, since it is larger than the sum of its proper divisors (44241787).
131435013 is a wasteful number, since it uses less digits than its factorization.
131435013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 107531.
The product of its (nonzero) digits is 540, while the sum is 21.
The square root of 131435013 is about 11464.5110231531. The cubic root of 131435013 is about 508.4368555504.
Adding to 131435013 its reverse (310534131), we get a palindrome (441969144).
The spelling of 131435013 in words is "one hundred thirty-one million, four hundred thirty-five thousand, thirteen".
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