Base | Representation |
---|---|
bin | 100111011000000101… |
… | …110111100111000111 |
3 | 11001010120111202222221 |
4 | 213120011313213013 |
5 | 1143042202412243 |
6 | 31231225433211 |
7 | 3024512054131 |
oct | 473005674707 |
9 | 131116452887 |
10 | 42280122823 |
11 | 16a27033074 |
12 | 823b63b807 |
13 | 3caa588173 |
14 | 2091344051 |
15 | 1176c7dbed |
hex | 9d81779c7 |
42280122823 has 4 divisors (see below), whose sum is σ = 42282620080. Its totient is φ = 42277625568.
The previous prime is 42280122821. The next prime is 42280122839. The reversal of 42280122823 is 32822108224.
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 42280122823 - 21 = 42280122821 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42280122821) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1223058 + ... + 1257151.
It is an arithmetic number, because the mean of its divisors is an integer number (10570655020).
Almost surely, 242280122823 is an apocalyptic number.
42280122823 is a deficient number, since it is larger than the sum of its proper divisors (2497257).
42280122823 is a wasteful number, since it uses less digits than its factorization.
42280122823 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2497256.
The product of its (nonzero) digits is 24576, while the sum is 34.
The spelling of 42280122823 in words is "forty-two billion, two hundred eighty million, one hundred twenty-two thousand, eight hundred twenty-three".
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