Base | Representation |
---|---|
bin | 11001101011110… |
… | …101000101001101 |
3 | 1010000212000010111 |
4 | 121223311011031 |
5 | 1340303420023 |
6 | 110432040021 |
7 | 13451521366 |
oct | 3153650515 |
9 | 1100760114 |
10 | 430920013 |
11 | 201274647 |
12 | 100393011 |
13 | 6b379274 |
14 | 41332b6d |
15 | 27c7000d |
hex | 19af514d |
430920013 has 2 divisors, whose sum is σ = 430920014. Its totient is φ = 430920012.
The previous prime is 430919989. The next prime is 430920031. The reversal of 430920013 is 310029034.
Together with next prime (430920031) it forms an Ormiston pair, because they use the same digits, order apart.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 413430889 + 17489124 = 20333^2 + 4182^2 .
It is a cyclic number.
It is not a de Polignac number, because 430920013 - 225 = 397365581 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (430920053) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215460006 + 215460007.
It is an arithmetic number, because the mean of its divisors is an integer number (215460007).
Almost surely, 2430920013 is an apocalyptic number.
It is an amenable number.
430920013 is a deficient number, since it is larger than the sum of its proper divisors (1).
430920013 is an equidigital number, since it uses as much as digits as its factorization.
430920013 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 648, while the sum is 22.
The square root of 430920013 is about 20758.6129835305. The cubic root of 430920013 is about 755.3221513101.
Adding to 430920013 its reverse (310029034), we get a palindrome (740949047).
The spelling of 430920013 in words is "four hundred thirty million, nine hundred twenty thousand, thirteen".
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