Base | Representation |
---|---|
bin | 1010101110111110… |
… | …0110100111100000 |
3 | 21102210211102020110 |
4 | 2223233212213200 |
5 | 21400113223010 |
6 | 1153530011320 |
7 | 131255231115 |
oct | 25357464740 |
9 | 7383742213 |
10 | 2881382880 |
11 | 1249513672 |
12 | 684b76b40 |
13 | 36bc52bac |
14 | 1d496a90c |
15 | 11ce63120 |
hex | abbe69e0 |
2881382880 has 48 divisors (see below), whose sum is σ = 9076357584. Its totient is φ = 768368640.
The previous prime is 2881382857. The next prime is 2881382923. The reversal of 2881382880 is 882831882.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (48).
It is a Harshad number since it is a multiple of its sum of digits (48).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3000961 + ... + 3001920.
It is an arithmetic number, because the mean of its divisors is an integer number (189090783).
Almost surely, 22881382880 is an apocalyptic number.
2881382880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2881382880 is an abundant number, since it is smaller than the sum of its proper divisors (6194974704).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2881382880 is a wasteful number, since it uses less digits than its factorization.
2881382880 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6002899 (or 6002891 counting only the distinct ones).
The product of its (nonzero) digits is 393216, while the sum is 48.
The square root of 2881382880 is about 53678.5141374088. The cubic root of 2881382880 is about 1422.9850055714.
The spelling of 2881382880 in words is "two billion, eight hundred eighty-one million, three hundred eighty-two thousand, eight hundred eighty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.097 sec. • engine limits •