Base | Representation |
---|---|
bin | 111110111100100… |
… | …1100011011010000 |
3 | 12110012101002101110 |
4 | 1331321030123100 |
5 | 13311202120404 |
6 | 545330333320 |
7 | 103224636306 |
oct | 17571143320 |
9 | 5405332343 |
10 | 2112145104 |
11 | 994283973 |
12 | 4ab42a240 |
13 | 278780c04 |
14 | 16072c276 |
15 | c5665b89 |
hex | 7de4c6d0 |
2112145104 has 20 divisors (see below), whose sum is σ = 5456374976. Its totient is φ = 704048352.
The previous prime is 2112145099. The next prime is 2112145117. The reversal of 2112145104 is 4015412112.
It is a super-2 number, since 2×21121451042 = 8922313880702341632, which contains 22 as substring.
It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22001464 + ... + 22001559.
Almost surely, 22112145104 is an apocalyptic number.
2112145104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
2112145104 is an abundant number, since it is smaller than the sum of its proper divisors (3344229872).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2112145104 is a wasteful number, since it uses less digits than its factorization.
2112145104 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 44003034 (or 44003028 counting only the distinct ones).
The product of its (nonzero) digits is 320, while the sum is 21.
The square root of 2112145104 is about 45958.0798554509. The cubic root of 2112145104 is about 1283.0431142839.
Adding to 2112145104 its reverse (4015412112), we get a palindrome (6127557216).
The spelling of 2112145104 in words is "two billion, one hundred twelve million, one hundred forty-five thousand, one hundred four".
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