Base | Representation |
---|---|
bin | 1111100010111… |
… | …00000111001101 |
3 | 100002101001011012 |
4 | 13301130013031 |
5 | 231340310332 |
6 | 20534535005 |
7 | 3142250006 |
oct | 761340715 |
9 | 302331135 |
10 | 130400717 |
11 | 67675a97 |
12 | 37807465 |
13 | 21028cb5 |
14 | 134661ad |
15 | b6ac3b2 |
hex | 7c5c1cd |
130400717 has 2 divisors, whose sum is σ = 130400718. Its totient is φ = 130400716.
The previous prime is 130400713. The next prime is 130400729. The reversal of 130400717 is 717004031.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 99720196 + 30680521 = 9986^2 + 5539^2 .
It is an emirp because it is prime and its reverse (717004031) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 130400717 - 22 = 130400713 is a prime.
It is a super-2 number, since 2×1304007172 = 34008693988228178, which contains 22 as substring.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 130400692 and 130400701.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (130400713) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65200358 + 65200359.
It is an arithmetic number, because the mean of its divisors is an integer number (65200359).
Almost surely, 2130400717 is an apocalyptic number.
It is an amenable number.
130400717 is a deficient number, since it is larger than the sum of its proper divisors (1).
130400717 is an equidigital number, since it uses as much as digits as its factorization.
130400717 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 588, while the sum is 23.
The square root of 130400717 is about 11419.3133331212. The cubic root of 130400717 is about 507.0996682730.
Adding to 130400717 its reverse (717004031), we get a palindrome (847404748).
The spelling of 130400717 in words is "one hundred thirty million, four hundred thousand, seven hundred seventeen".
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