Base | Representation |
---|---|
bin | 1000010100000011001… |
… | …11100011010000010011 |
3 | 1000022021220200221210021 |
4 | 10022001213203100103 |
5 | 14134443433023134 |
6 | 335120005244311 |
7 | 26431325636455 |
oct | 4120147432023 |
9 | 1008256627707 |
10 | 285642470419 |
11 | 10015a800879 |
12 | 47439103697 |
13 | 20c2242b587 |
14 | db7a39c2d5 |
15 | 766bea60b4 |
hex | 42819e3413 |
285642470419 has 2 divisors, whose sum is σ = 285642470420. Its totient is φ = 285642470418.
The previous prime is 285642470381. The next prime is 285642470429. The reversal of 285642470419 is 914074246582.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 285642470419 - 213 = 285642462227 is a prime.
It is a super-2 number, since 2×2856424704192 (a number of 24 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (285642470429) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142821235209 + 142821235210.
It is an arithmetic number, because the mean of its divisors is an integer number (142821235210).
Almost surely, 2285642470419 is an apocalyptic number.
285642470419 is a deficient number, since it is larger than the sum of its proper divisors (1).
285642470419 is an equidigital number, since it uses as much as digits as its factorization.
285642470419 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 3870720, while the sum is 52.
The spelling of 285642470419 in words is "two hundred eighty-five billion, six hundred forty-two million, four hundred seventy thousand, four hundred nineteen".
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