Base | Representation |
---|---|
bin | 111111001111110… |
… | …1000111101011111 |
3 | 12110220100010021201 |
4 | 1332133220331133 |
5 | 13321242122310 |
6 | 550330340331 |
7 | 103406413252 |
oct | 17637507537 |
9 | 5426303251 |
10 | 2122223455 |
11 | 999a37990 |
12 | 4b288a6a7 |
13 | 27a89c331 |
14 | 161bd3099 |
15 | c64a6e3a |
hex | 7e7e8f5f |
2122223455 has 32 divisors (see below), whose sum is σ = 2906108928. Its totient is φ = 1472697600.
The previous prime is 2122223437. The next prime is 2122223473. The reversal of 2122223455 is 5543222212.
It is an interprime number because it is at equal distance from previous prime (2122223437) and next prime (2122223473).
It is not a de Polignac number, because 2122223455 - 211 = 2122221407 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
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, 576270 + ... + 579940.
It is an arithmetic number, because the mean of its divisors is an integer number (90815904).
Almost surely, 22122223455 is an apocalyptic number.
2122223455 is a deficient number, since it is larger than the sum of its proper divisors (783885473).
2122223455 is a wasteful number, since it uses less digits than its factorization.
2122223455 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4167.
The product of its digits is 9600, while the sum is 28.
The square root of 2122223455 is about 46067.5965837160. The cubic root of 2122223455 is about 1285.0806078217.
Adding to 2122223455 its reverse (5543222212), we get a palindrome (7665445667).
The spelling of 2122223455 in words is "two billion, one hundred twenty-two million, two hundred twenty-three thousand, four hundred fifty-five".
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