Base | Representation |
---|---|
bin | 1010100100110110… |
… | …1101110001111010 |
3 | 21022211222100021001 |
4 | 2221031231301322 |
5 | 21303232214030 |
6 | 1145412235214 |
7 | 130231430155 |
oct | 25115556172 |
9 | 7284870231 |
10 | 2838944890 |
11 | 1227568351 |
12 | 67290bb0a |
13 | 363214762 |
14 | 1cd080c9c |
15 | 11937dcca |
hex | a936dc7a |
2838944890 has 32 divisors (see below), whose sum is σ = 5228012160. Its totient is φ = 1109607744.
The previous prime is 2838944861. The next prime is 2838944921. The reversal of 2838944890 is 984498382.
It is a super-2 number, since 2×28389448902 = 16119216176914224200, which contains 22 as substring.
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, 84124 + ... + 112936.
It is an arithmetic number, because the mean of its divisors is an integer number (163375380).
Almost surely, 22838944890 is an apocalyptic number.
2838944890 is a deficient number, since it is larger than the sum of its proper divisors (2389067270).
2838944890 is a wasteful number, since it uses less digits than its factorization.
2838944890 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29046.
The product of its (nonzero) digits is 3981312, while the sum is 55.
The square root of 2838944890 is about 53281.7500651020. The cubic root of 2838944890 is about 1415.9643548780.
The spelling of 2838944890 in words is "two billion, eight hundred thirty-eight million, nine hundred forty-four thousand, eight hundred ninety".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •