Base | Representation |
---|---|
bin | 1111101100001… |
… | …11001011110000 |
3 | 100011200021112101 |
4 | 13312013023300 |
5 | 232144010322 |
6 | 21021110144 |
7 | 3155541301 |
oct | 766071360 |
9 | 304607471 |
10 | 131625712 |
11 | 68332389 |
12 | 380b8354 |
13 | 2136774a |
14 | 136a47a8 |
15 | b850327 |
hex | 7d872f0 |
131625712 has 20 divisors (see below), whose sum is σ = 259838280. Its totient is φ = 64570688.
The previous prime is 131625701. The next prime is 131625719. The reversal of 131625712 is 217526131.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131625719) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76762 + ... + 78457.
It is an arithmetic number, because the mean of its divisors is an integer number (12991914).
Almost surely, 2131625712 is an apocalyptic number.
It is an amenable number.
131625712 is a deficient number, since it is larger than the sum of its proper divisors (128212568).
131625712 is a wasteful number, since it uses less digits than its factorization.
131625712 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 155280 (or 155274 counting only the distinct ones).
The product of its digits is 2520, while the sum is 28.
The square root of 131625712 is about 11472.8249354725. The cubic root of 131625712 is about 508.6826336556.
It can be divided in two parts, 1316 and 25712, that added together give a triangular number (27028 = T232).
The spelling of 131625712 in words is "one hundred thirty-one million, six hundred twenty-five thousand, seven hundred twelve".
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