Base | Representation |
---|---|
bin | 111110111100101… |
… | …1010011001000111 |
3 | 12110012110222212020 |
4 | 1331321122121013 |
5 | 13311210433221 |
6 | 545331454223 |
7 | 103225265142 |
oct | 17571323107 |
9 | 5405428766 |
10 | 2112202311 |
11 | 99431294a |
12 | 4ab457373 |
13 | 2787a0c6b |
14 | 160745059 |
15 | c5677ac6 |
hex | 7de5a647 |
2112202311 has 8 divisors (see below), whose sum is σ = 2818274160. Its totient is φ = 1407132672.
The previous prime is 2112202307. The next prime is 2112202319. The reversal of 2112202311 is 1132022112.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2112202311 - 22 = 2112202307 is a prime.
It is a super-2 number, since 2×21122023112 = 8922797205187481442, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2112202319) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 245620 + ... + 254073.
It is an arithmetic number, because the mean of its divisors is an integer number (352284270).
Almost surely, 22112202311 is an apocalyptic number.
2112202311 is a deficient number, since it is larger than the sum of its proper divisors (706071849).
2112202311 is a wasteful number, since it uses less digits than its factorization.
2112202311 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 501105.
The product of its (nonzero) digits is 48, while the sum is 15.
The square root of 2112202311 is about 45958.7022336358. The cubic root of 2112202311 is about 1283.0546978291.
Adding to 2112202311 its reverse (1132022112), we get a palindrome (3244224423).
It can be divided in two parts, 211220 and 2311, that added together give a triangular number (213531 = T653).
The spelling of 2112202311 in words is "two billion, one hundred twelve million, two hundred two thousand, three hundred eleven".
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