Base | Representation |
---|---|
bin | 111111110111001… |
… | …0011110111101100 |
3 | 12112100010212201010 |
4 | 1333232103313230 |
5 | 13342032041234 |
6 | 552344345220 |
7 | 104046615504 |
oct | 17756236754 |
9 | 5470125633 |
10 | 2142846444 |
11 | 9aa643282 |
12 | 4b9775210 |
13 | 281c4019b |
14 | 164840a04 |
15 | c81cc6e9 |
hex | 7fb93dec |
2142846444 has 24 divisors (see below), whose sum is σ = 5008656688. Its totient is φ = 713041920.
The previous prime is 2142846443. The next prime is 2142846457. The reversal of 2142846444 is 4446482412.
It is not an unprimeable number, because it can be changed into a prime (2142846443) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147817 + ... + 161664.
Almost surely, 22142846444 is an apocalyptic number.
It is an amenable number.
2142846444 is an abundant number, since it is smaller than the sum of its proper divisors (2865810244).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2142846444 is a wasteful number, since it uses less digits than its factorization.
2142846444 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 310065 (or 310063 counting only the distinct ones).
The product of its digits is 196608, while the sum is 39.
The square root of 2142846444 is about 46290.8894276185. The cubic root of 2142846444 is about 1289.2298437599.
The spelling of 2142846444 in words is "two billion, one hundred forty-two million, eight hundred forty-six thousand, four hundred forty-four".
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