Base | Representation |
---|---|
bin | 1111011111111… |
… | …00011110100000 |
3 | 100001122010210212 |
4 | 13233330132200 |
5 | 231240241432 |
6 | 20522313252 |
7 | 3136025651 |
oct | 757743640 |
9 | 301563725 |
10 | 130008992 |
11 | 67428753 |
12 | 37658828 |
13 | 20c1c8c9 |
14 | 133a3528 |
15 | b6312b2 |
hex | 7bfc7a0 |
130008992 has 12 divisors (see below), whose sum is σ = 255955266. Its totient is φ = 65004480.
The previous prime is 130008913. The next prime is 130009067. The reversal of 130008992 is 299800031.
It can be written as a sum of positive squares in only one way, i.e., 113976976 + 16032016 = 10676^2 + 4004^2 .
It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 4062781 = 130008992 / (1 + 3 + 0 + 0 + 0 + 8 + 9 + 9 + 2).
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 as a sum of consecutive naturals, namely, 2031359 + ... + 2031422.
Almost surely, 2130008992 is an apocalyptic number.
It is an amenable number.
130008992 is a deficient number, since it is larger than the sum of its proper divisors (125946274).
130008992 is an equidigital number, since it uses as much as digits as its factorization.
130008992 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4062791 (or 4062783 counting only the distinct ones).
The product of its (nonzero) digits is 3888, while the sum is 32.
The square root of 130008992 is about 11402.1485694583. The cubic root of 130008992 is about 506.5913815502.
The spelling of 130008992 in words is "one hundred thirty million, eight thousand, nine hundred ninety-two".
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