Base | Representation |
---|---|
bin | 100111001100010011… |
… | …011101011111110001 |
3 | 11000121210101100102022 |
4 | 213030103131133301 |
5 | 1142141040444111 |
6 | 31155443001225 |
7 | 3016561103054 |
oct | 471423353761 |
9 | 130553340368 |
10 | 42082359281 |
11 | 16935438426 |
12 | 81a5369215 |
13 | 3c78604b11 |
14 | 2072d84a9b |
15 | 11647172db |
hex | 9cc4dd7f1 |
42082359281 has 4 divisors (see below), whose sum is σ = 42086175600. Its totient is φ = 42078542964.
The previous prime is 42082359259. The next prime is 42082359337. The reversal of 42082359281 is 18295328024.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 42082359281 - 210 = 42082358257 is a prime.
It is a super-2 number, since 2×420823592812 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (42082359481) 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, 1891571 + ... + 1913688.
It is an arithmetic number, because the mean of its divisors is an integer number (10521543900).
Almost surely, 242082359281 is an apocalyptic number.
It is an amenable number.
42082359281 is a deficient number, since it is larger than the sum of its proper divisors (3816319).
42082359281 is a wasteful number, since it uses less digits than its factorization.
42082359281 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3816318.
The product of its (nonzero) digits is 276480, while the sum is 44.
The spelling of 42082359281 in words is "forty-two billion, eighty-two million, three hundred fifty-nine thousand, two hundred eighty-one".
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