Base | Representation |
---|---|
bin | 1111100110010… |
… | …00000000010101 |
3 | 100010012111100220 |
4 | 13303020000111 |
5 | 231443431040 |
6 | 20552224553 |
7 | 3146100303 |
oct | 763100025 |
9 | 303174326 |
10 | 130842645 |
11 | 6794801a |
12 | 3799b159 |
13 | 211521ab |
14 | 1353d273 |
15 | b7482d0 |
hex | 7cc8015 |
130842645 has 48 divisors (see below), whose sum is σ = 224649792. Its totient is φ = 65007360.
The previous prime is 130842643. The next prime is 130842667. The reversal of 130842645 is 546248031.
It is not a de Polignac number, because 130842645 - 21 = 130842643 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130842643) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 395130 + ... + 395460.
It is an arithmetic number, because the mean of its divisors is an integer number (4680204).
Almost surely, 2130842645 is an apocalyptic number.
130842645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
130842645 is a deficient number, since it is larger than the sum of its proper divisors (93807147).
130842645 is a wasteful number, since it uses less digits than its factorization.
130842645 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 450 (or 431 counting only the distinct ones).
The product of its (nonzero) digits is 23040, while the sum is 33.
The square root of 130842645 is about 11438.6469916682. The cubic root of 130842645 is about 507.6718759083.
The spelling of 130842645 in words is "one hundred thirty million, eight hundred forty-two thousand, six hundred forty-five".
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