Base | Representation |
---|---|
bin | 111110111100100… |
… | …0010000100001000 |
3 | 12110012021221011121 |
4 | 1331321002010020 |
5 | 13311144241124 |
6 | 545325405024 |
7 | 103224401500 |
oct | 17571020410 |
9 | 5405257147 |
10 | 2112102664 |
11 | 994254aa1 |
12 | 4ab409774 |
13 | 2787677b9 |
14 | 16071aa00 |
15 | c56582e4 |
hex | 7de42108 |
2112102664 has 48 divisors (see below), whose sum is σ = 4755386880. Its totient is φ = 875982240.
The previous prime is 2112102647. The next prime is 2112102667. The reversal of 2112102664 is 4662012112.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (2112102667) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74752 + ... + 99055.
It is an arithmetic number, because the mean of its divisors is an integer number (99070560).
Almost surely, 22112102664 is an apocalyptic number.
It is an amenable number.
2112102664 is an abundant number, since it is smaller than the sum of its proper divisors (2643284216).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2112102664 is a wasteful number, since it uses less digits than its factorization.
2112102664 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 173858 (or 173847 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 25.
The square root of 2112102664 is about 45957.6181280101. The cubic root of 2112102664 is about 1283.0345206959.
Adding to 2112102664 its reverse (4662012112), we get a palindrome (6774114776).
The spelling of 2112102664 in words is "two billion, one hundred twelve million, one hundred two thousand, six hundred sixty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •