Base | Representation |
---|---|
bin | 111100110111000… |
… | …1101111000011011 |
3 | 12021022200101222102 |
4 | 1321232031320123 |
5 | 13140243033434 |
6 | 534350314015 |
7 | 101415030134 |
oct | 17156157033 |
9 | 5238611872 |
10 | 2042158619 |
11 | 958821aa6 |
12 | 48bab890b |
13 | 2671185a7 |
14 | 155310c8b |
15 | be43e07e |
hex | 79b8de1b |
2042158619 has 4 divisors (see below), whose sum is σ = 2043141096. Its totient is φ = 2041176144.
The previous prime is 2042158561. The next prime is 2042158631. The reversal of 2042158619 is 9168512402.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 2042158619 - 228 = 1773723163 is a prime.
It is a super-2 number, since 2×20421586192 = 8340823650311974322, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2042158819) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 488114 + ... + 492279.
It is an arithmetic number, because the mean of its divisors is an integer number (510785274).
Almost surely, 22042158619 is an apocalyptic number.
2042158619 is a deficient number, since it is larger than the sum of its proper divisors (982477).
2042158619 is an equidigital number, since it uses as much as digits as its factorization.
2042158619 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 982476.
The product of its (nonzero) digits is 34560, while the sum is 38.
The square root of 2042158619 is about 45190.2491584191. The cubic root of 2042158619 is about 1268.7123201894.
The spelling of 2042158619 in words is "two billion, forty-two million, one hundred fifty-eight thousand, six hundred nineteen".
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