Base | Representation |
---|---|
bin | 111110111100101… |
… | …1100010001100111 |
3 | 12110012111101102212 |
4 | 1331321130101213 |
5 | 13311211210043 |
6 | 545331554035 |
7 | 103225326500 |
oct | 17571342147 |
9 | 5405441385 |
10 | 2112210023 |
11 | 994318720 |
12 | 4ab45b91b |
13 | 2787a4621 |
14 | 160747ba7 |
15 | c567a018 |
hex | 7de5c467 |
2112210023 has 12 divisors (see below), whose sum is σ = 2680430472. Its totient is φ = 1645877520.
The previous prime is 2112210013. The next prime is 2112210029. The reversal of 2112210023 is 3200122112.
It is a happy number.
It is not a de Polignac number, because 2112210023 - 218 = 2111947879 is a prime.
It is a super-2 number, since 2×21122100232 = 8922862362523321058, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2112210029) 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 11 ways as a sum of consecutive naturals, for example, 1958840 + ... + 1959917.
It is an arithmetic number, because the mean of its divisors is an integer number (223369206).
Almost surely, 22112210023 is an apocalyptic number.
2112210023 is a deficient number, since it is larger than the sum of its proper divisors (568220449).
2112210023 is a wasteful number, since it uses less digits than its factorization.
2112210023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3918782 (or 3918775 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 14.
The square root of 2112210023 is about 45958.7861349710. The cubic root of 2112210023 is about 1283.0562593755.
Adding to 2112210023 its reverse (3200122112), we get a palindrome (5312332135).
The spelling of 2112210023 in words is "two billion, one hundred twelve million, two hundred ten thousand, twenty-three".
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