Base | Representation |
---|---|
bin | 1111100011001… |
… | …11100111100001 |
3 | 100002110102210112 |
4 | 13301213213201 |
5 | 231343312331 |
6 | 20535541105 |
7 | 3142534256 |
oct | 761474741 |
9 | 302412715 |
10 | 130447841 |
11 | 676a8437 |
12 | 3782a795 |
13 | 21044594 |
14 | 1347942d |
15 | b6bb32b |
hex | 7c679e1 |
130447841 has 2 divisors, whose sum is σ = 130447842. Its totient is φ = 130447840.
The previous prime is 130447813. The next prime is 130447859. The reversal of 130447841 is 148744031.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 108160000 + 22287841 = 10400^2 + 4721^2 .
It is a cyclic number.
It is not a de Polignac number, because 130447841 - 218 = 130185697 is a prime.
It is a super-2 number, since 2×1304478412 = 34033278443122562, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 130447798 and 130447807.
It is not a weakly prime, because it can be changed into another prime (130447871) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65223920 + 65223921.
It is an arithmetic number, because the mean of its divisors is an integer number (65223921).
Almost surely, 2130447841 is an apocalyptic number.
It is an amenable number.
130447841 is a deficient number, since it is larger than the sum of its proper divisors (1).
130447841 is an equidigital number, since it uses as much as digits as its factorization.
130447841 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 10752, while the sum is 32.
The square root of 130447841 is about 11421.3764932253. The cubic root of 130447841 is about 507.1607458686.
The spelling of 130447841 in words is "one hundred thirty million, four hundred forty-seven thousand, eight hundred forty-one".
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