Base | Representation |
---|---|
bin | 111111001111111… |
… | …1110101011100111 |
3 | 12110220111122022211 |
4 | 1332133332223213 |
5 | 13321302444143 |
6 | 550332304251 |
7 | 103410233530 |
oct | 17637765347 |
9 | 5426448284 |
10 | 2122312423 |
11 | 999a98810 |
12 | 4b2912087 |
13 | 27a90098a |
14 | 161c17687 |
15 | c64c349d |
hex | 7e7feae7 |
2122312423 has 64 divisors (see below), whose sum is σ = 2830464000. Its totient is φ = 1543449600.
The previous prime is 2122312417. The next prime is 2122312433. The reversal of 2122312423 is 3242132212.
It is a de Polignac number, because none of the positive numbers 2k-2122312423 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 2122312394 and 2122312403.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2122312433) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11725393 + ... + 11725573.
It is an arithmetic number, because the mean of its divisors is an integer number (44226000).
Almost surely, 22122312423 is an apocalyptic number.
2122312423 is a deficient number, since it is larger than the sum of its proper divisors (708151577).
2122312423 is a wasteful number, since it uses less digits than its factorization.
2122312423 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 376.
The product of its digits is 1152, while the sum is 22.
The square root of 2122312423 is about 46068.5621980977. The cubic root of 2122312423 is about 1285.0985653171.
Adding to 2122312423 its reverse (3242132212), we get a palindrome (5364444635).
The spelling of 2122312423 in words is "two billion, one hundred twenty-two million, three hundred twelve thousand, four hundred twenty-three".
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