Base | Representation |
---|---|
bin | 10011011111010111111011… |
… | …00011110001110000111101 |
3 | 12121202022200220102022012202 |
4 | 21233223331203301300331 |
5 | 21104202112022202023 |
6 | 231053204233441245 |
7 | 12012330551314343 |
oct | 1157537543616075 |
9 | 177668626368182 |
10 | 42859437694013 |
11 | 12724649264916 |
12 | 4982542b70225 |
13 | 1abb820ba6b35 |
14 | a8259d20d993 |
15 | 4e4d141ba128 |
hex | 26fafd8f1c3d |
42859437694013 has 2 divisors, whose sum is σ = 42859437694014. Its totient is φ = 42859437694012.
The previous prime is 42859437693997. The next prime is 42859437694079. The reversal of 42859437694013 is 31049673495824.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 36365084940409 + 6494352753604 = 6030347^2 + 2548402^2 .
It is a cyclic number.
It is not a de Polignac number, because 42859437694013 - 24 = 42859437693997 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (42859437694313) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21429718847006 + 21429718847007.
It is an arithmetic number, because the mean of its divisors is an integer number (21429718847007).
It is a 1-persistent number, because it is pandigital, but 2⋅42859437694013 = 85718875388026 is not.
Almost surely, 242859437694013 is an apocalyptic number.
It is an amenable number.
42859437694013 is a deficient number, since it is larger than the sum of its proper divisors (1).
42859437694013 is an equidigital number, since it uses as much as digits as its factorization.
42859437694013 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 156764160, while the sum is 65.
The spelling of 42859437694013 in words is "forty-two trillion, eight hundred fifty-nine billion, four hundred thirty-seven million, six hundred ninety-four thousand, thirteen".
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