Base | Representation |
---|---|
bin | 111111010000000… |
… | …0010011100000000 |
3 | 12110220112102102122 |
4 | 1332200002130000 |
5 | 13321303442213 |
6 | 550332503412 |
7 | 103410326426 |
oct | 17640023400 |
9 | 5426472378 |
10 | 2122327808 |
11 | 999aa9327 |
12 | 4b291ab68 |
13 | 27a907993 |
14 | 161c1d116 |
15 | c64c7d08 |
hex | 7e802700 |
2122327808 has 72 divisors (see below), whose sum is σ = 4301156496. Its totient is φ = 1045094400.
The previous prime is 2122327777. The next prime is 2122327841. The reversal of 2122327808 is 8087232212.
It is a happy number.
It is a super-2 number, since 2×21223278082 = 9008550649220169728, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7552628 + ... + 7552908.
Almost surely, 22122327808 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2122327808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2150578248).
2122327808 is an abundant number, since it is smaller than the sum of its proper divisors (2178828688).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2122327808 is a wasteful number, since it uses less digits than its factorization.
2122327808 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 641 (or 627 counting only the distinct ones).
The product of its (nonzero) digits is 21504, while the sum is 35.
The square root of 2122327808 is about 46068.7291771761. The cubic root of 2122327808 is about 1285.1016706082.
The spelling of 2122327808 in words is "two billion, one hundred twenty-two million, three hundred twenty-seven thousand, eight hundred eight".
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