Base | Representation |
---|---|
bin | 111101001100001001… |
… | …1101010011001101101 |
3 | 110120011210101120221221 |
4 | 1322120103222121231 |
5 | 4123104000411000 |
6 | 140211042223341 |
7 | 12331215130654 |
oct | 1723023523155 |
9 | 416153346857 |
10 | 131404310125 |
11 | 50801342110 |
12 | 21573054b51 |
13 | c511b0207a |
14 | 6507bc019b |
15 | 36412aa61a |
hex | 1e984ea66d |
131404310125 has 32 divisors (see below), whose sum is σ = 186679344384. Its totient is φ = 91411672000.
The previous prime is 131404309991. The next prime is 131404310143. The reversal of 131404310125 is 521013404131.
It is not a de Polignac number, because 131404310125 - 221 = 131402212973 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (25).
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 131404310125.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2045914 + ... + 2109163.
It is an arithmetic number, because the mean of its divisors is an integer number (5833729512).
Almost surely, 2131404310125 is an apocalyptic number.
It is an amenable number.
131404310125 is a deficient number, since it is larger than the sum of its proper divisors (55275034259).
131404310125 is a wasteful number, since it uses less digits than its factorization.
131404310125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4155126 (or 4155116 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 25.
Adding to 131404310125 its reverse (521013404131), we get a palindrome (652417714256).
The spelling of 131404310125 in words is "one hundred thirty-one billion, four hundred four million, three hundred ten thousand, one hundred twenty-five".
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