Base | Representation |
---|---|
bin | 100111001000000111… |
… | …100111001001110101 |
3 | 11000102220021001111102 |
4 | 213020013213021311 |
5 | 1142020102103440 |
6 | 31144454015445 |
7 | 3015046222361 |
oct | 471007471165 |
9 | 130386231442 |
10 | 42012144245 |
11 | 168a983a875 |
12 | 8185947585 |
13 | 3c66bbc466 |
14 | 20679082a1 |
15 | 115d497b15 |
hex | 9c81e7275 |
42012144245 has 16 divisors (see below), whose sum is σ = 51716206080. Its totient is φ = 32744246400.
The previous prime is 42012144197. The next prime is 42012144257. The reversal of 42012144245 is 54244121024.
It is a happy number.
42012144245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 42012144245 - 210 = 42012143221 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4880 + ... + 289910.
It is an arithmetic number, because the mean of its divisors is an integer number (3232262880).
Almost surely, 242012144245 is an apocalyptic number.
It is an amenable number.
42012144245 is a deficient number, since it is larger than the sum of its proper divisors (9704061835).
42012144245 is a wasteful number, since it uses less digits than its factorization.
42012144245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 285796.
The product of its (nonzero) digits is 10240, while the sum is 29.
Adding to 42012144245 its reverse (54244121024), we get a palindrome (96256265269).
The spelling of 42012144245 in words is "forty-two billion, twelve million, one hundred forty-four thousand, two hundred forty-five".
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