Base | Representation |
---|---|
bin | 1111110111110… |
… | …11101100100101 |
3 | 100021112210112222 |
4 | 13323323230211 |
5 | 233041322100 |
6 | 21113522125 |
7 | 3204524603 |
oct | 773735445 |
9 | 307483488 |
10 | 133151525 |
11 | 69184791 |
12 | 38713345 |
13 | 217800b0 |
14 | 13980873 |
15 | ba52485 |
hex | 7efbb25 |
133151525 has 24 divisors (see below), whose sum is σ = 187175520. Its totient is φ = 93147840.
The previous prime is 133151519. The next prime is 133151539. The reversal of 133151525 is 525151331.
It is a happy number.
It is not a de Polignac number, because 133151525 - 24 = 133151509 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 133151494 and 133151503.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4607 + ... + 16956.
It is an arithmetic number, because the mean of its divisors is an integer number (7798980).
Almost surely, 2133151525 is an apocalyptic number.
It is an amenable number.
133151525 is a deficient number, since it is larger than the sum of its proper divisors (54023995).
133151525 is a wasteful number, since it uses less digits than its factorization.
133151525 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21605 (or 21600 counting only the distinct ones).
The product of its digits is 2250, while the sum is 26.
The square root of 133151525 is about 11539.1301665247. The cubic root of 133151525 is about 510.6406469070.
The spelling of 133151525 in words is "one hundred thirty-three million, one hundred fifty-one thousand, five hundred twenty-five".
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