Base | Representation |
---|---|
bin | 1111101000011… |
… | …00111101110000 |
3 | 100010201211211100 |
4 | 13310030331300 |
5 | 232032000404 |
6 | 21002244400 |
7 | 3151354635 |
oct | 764147560 |
9 | 303654740 |
10 | 131125104 |
11 | 68020260 |
12 | 37ab6700 |
13 | 21220926 |
14 | 135b418c |
15 | b7a1d39 |
hex | 7d0cf70 |
131125104 has 60 divisors (see below), whose sum is σ = 400333752. Its totient is φ = 39734400.
The previous prime is 131125091. The next prime is 131125117. The reversal of 131125104 is 401521131.
It is an interprime number because it is at equal distance from previous prime (131125091) and next prime (131125117).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39807 + ... + 42974.
Almost surely, 2131125104 is an apocalyptic number.
It is an amenable number.
131125104 is an abundant number, since it is smaller than the sum of its proper divisors (269208648).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131125104 is a wasteful number, since it uses less digits than its factorization.
131125104 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 82806 (or 82797 counting only the distinct ones).
The product of its (nonzero) digits is 120, while the sum is 18.
The square root of 131125104 is about 11450.9870316929. The cubic root of 131125104 is about 508.0369287226.
Adding to 131125104 its reverse (401521131), we get a palindrome (532646235).
The spelling of 131125104 in words is "one hundred thirty-one million, one hundred twenty-five thousand, one hundred four".
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