Base | Representation |
---|---|
bin | 1111011111111… |
… | …00101110101001 |
3 | 100001122012020010 |
4 | 13233330232221 |
5 | 231240310100 |
6 | 20522322133 |
7 | 3136031655 |
oct | 757745651 |
9 | 301565203 |
10 | 130010025 |
11 | 67429502 |
12 | 37659349 |
13 | 20c20212 |
14 | 133a3a65 |
15 | b631750 |
hex | 7bfcba9 |
130010025 has 24 divisors (see below), whose sum is σ = 215879040. Its totient is φ = 69039040.
The previous prime is 130010009. The next prime is 130010047. The reversal of 130010025 is 520010031.
It is not a de Polignac number, because 130010025 - 24 = 130010009 is a prime.
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, 14299 + ... + 21551.
It is an arithmetic number, because the mean of its divisors is an integer number (8994960).
Almost surely, 2130010025 is an apocalyptic number.
130010025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
130010025 is a deficient number, since it is larger than the sum of its proper divisors (85869015).
130010025 is a wasteful number, since it uses less digits than its factorization.
130010025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7505 (or 7500 counting only the distinct ones).
The product of its (nonzero) digits is 30, while the sum is 12.
The square root of 130010025 is about 11402.1938678484. The cubic root of 130010025 is about 506.5927232716.
Adding to 130010025 its reverse (520010031), we get a palindrome (650020056).
It can be divided in two parts, 1300 and 10025, that added together give a triangular number (11325 = T150).
The spelling of 130010025 in words is "one hundred thirty million, ten thousand, twenty-five".
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