Base | Representation |
---|---|
bin | 11001000010101… |
… | …101011111010101 |
3 | 1002021120101010021 |
4 | 121002231133111 |
5 | 1330024003023 |
6 | 105405025141 |
7 | 13261065625 |
oct | 3102553725 |
9 | 1067511107 |
10 | 420141013 |
11 | 1a6182186 |
12 | b88551b1 |
13 | 69073c66 |
14 | 3db28885 |
15 | 26d4135d |
hex | 190ad7d5 |
420141013 has 2 divisors, whose sum is σ = 420141014. Its totient is φ = 420141012.
The previous prime is 420141011. The next prime is 420141049. The reversal of 420141013 is 310141024.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 371448529 + 48692484 = 19273^2 + 6978^2 .
It is a cyclic number.
It is not a de Polignac number, because 420141013 - 21 = 420141011 is a prime.
Together with 420141011, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (420141011) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210070506 + 210070507.
It is an arithmetic number, because the mean of its divisors is an integer number (210070507).
Almost surely, 2420141013 is an apocalyptic number.
It is an amenable number.
420141013 is a deficient number, since it is larger than the sum of its proper divisors (1).
420141013 is an equidigital number, since it uses as much as digits as its factorization.
420141013 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 96, while the sum is 16.
The square root of 420141013 is about 20497.3416081208. The cubic root of 420141013 is about 748.9710411186.
Adding to 420141013 its reverse (310141024), we get a palindrome (730282037).
The spelling of 420141013 in words is "four hundred twenty million, one hundred forty-one thousand, thirteen".
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