Base | Representation |
---|---|
bin | 1111100000111… |
… | …01101011001111 |
3 | 100001220001100021 |
4 | 13300131223033 |
5 | 231304114400 |
6 | 20525243011 |
7 | 3140133262 |
oct | 760355317 |
9 | 301801307 |
10 | 130144975 |
11 | 67510934 |
12 | 37703467 |
13 | 20c6977c |
14 | 133dacd9 |
15 | b65b71a |
hex | 7c1dacf |
130144975 has 24 divisors (see below), whose sum is σ = 167433728. Its totient is φ = 100245600.
The previous prime is 130144969. The next prime is 130144991. The reversal of 130144975 is 579441031.
It is not a de Polignac number, because 130144975 - 221 = 128047823 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 130144975.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 237652 + ... + 238198.
Almost surely, 2130144975 is an apocalyptic number.
130144975 is a deficient number, since it is larger than the sum of its proper divisors (37288753).
130144975 is a wasteful number, since it uses less digits than its factorization.
130144975 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 895 (or 890 counting only the distinct ones).
The product of its (nonzero) digits is 15120, while the sum is 34.
The square root of 130144975 is about 11408.1100538170. The cubic root of 130144975 is about 506.7679432146.
The spelling of 130144975 in words is "one hundred thirty million, one hundred forty-four thousand, nine hundred seventy-five".
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