Base | Representation |
---|---|
bin | 111111001111111… |
… | …1111001110010101 |
3 | 12110220111202101010 |
4 | 1332133333032111 |
5 | 13321303032040 |
6 | 550332322433 |
7 | 103410243153 |
oct | 17637771625 |
9 | 5426452333 |
10 | 2122314645 |
11 | 999a9a450 |
12 | 4b2913419 |
13 | 27a9019a9 |
14 | 161c183d3 |
15 | c64c3e80 |
hex | 7e7ff395 |
2122314645 has 32 divisors (see below), whose sum is σ = 3723853824. Its totient is φ = 1023598400.
The previous prime is 2122314643. The next prime is 2122314671. The reversal of 2122314645 is 5464132212.
It is not a de Polignac number, because 2122314645 - 21 = 2122314643 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2122314641) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2157 + ... + 65186.
It is an arithmetic number, because the mean of its divisors is an integer number (116370432).
Almost surely, 22122314645 is an apocalyptic number.
It is an amenable number.
2122314645 is a deficient number, since it is larger than the sum of its proper divisors (1601539179).
2122314645 is a wasteful number, since it uses less digits than its factorization.
2122314645 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 67553.
The product of its digits is 11520, while the sum is 30.
The square root of 2122314645 is about 46068.5863143205. The cubic root of 2122314645 is about 1285.0990138040.
Adding to 2122314645 its reverse (5464132212), we get a palindrome (7586446857).
The spelling of 2122314645 in words is "two billion, one hundred twenty-two million, three hundred fourteen thousand, six hundred forty-five".
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