Base | Representation |
---|---|
bin | 1000000010110011… |
… | …1000010111111110 |
3 | 12120111000012122021 |
4 | 2000230320113332 |
5 | 13410231431034 |
6 | 554132110354 |
7 | 104336212165 |
oct | 20054702776 |
9 | 5514005567 |
10 | 2159248894 |
11 | a08926720 |
12 | 5031653ba |
13 | 285463c8a |
14 | 166ab03dc |
15 | c986c6b4 |
hex | 80b385fe |
2159248894 has 16 divisors (see below), whose sum is σ = 3541492080. Its totient is φ = 979205760.
The previous prime is 2159248891. The next prime is 2159248919. The reversal of 2159248894 is 4988429512.
It is a happy number.
2159248894 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2159248891) 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, 103809 + ... + 122860.
It is an arithmetic number, because the mean of its divisors is an integer number (221343255).
Almost surely, 22159248894 is an apocalyptic number.
2159248894 is a deficient number, since it is larger than the sum of its proper divisors (1382243186).
2159248894 is a wasteful number, since it uses less digits than its factorization.
2159248894 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 227115.
The product of its digits is 1658880, while the sum is 52.
The square root of 2159248894 is about 46467.7188379202. The cubic root of 2159248894 is about 1292.5109624981.
The spelling of 2159248894 in words is "two billion, one hundred fifty-nine million, two hundred forty-eight thousand, eight hundred ninety-four".
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