Base | Representation |
---|---|
bin | 1000010001100111… |
… | …1101000000111011 |
3 | 12201210221121110221 |
4 | 2010121331000323 |
5 | 14022134133102 |
6 | 1004232120511 |
7 | 106022361154 |
oct | 20431750073 |
9 | 5653847427 |
10 | 2221396027 |
11 | a3aa13794 |
12 | 51bb36137 |
13 | 2952b3326 |
14 | 17104a92b |
15 | d0046637 |
hex | 8467d03b |
2221396027 has 4 divisors (see below), whose sum is σ = 2297995920. Its totient is φ = 2144796136.
The previous prime is 2221396019. The next prime is 2221396033. The reversal of 2221396027 is 7206931222.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 2221396027 - 23 = 2221396019 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2221395983 and 2221396001.
It is not an unprimeable number, because it can be changed into a prime (2221396007) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38299903 + ... + 38299960.
It is an arithmetic number, because the mean of its divisors is an integer number (574498980).
Almost surely, 22221396027 is an apocalyptic number.
2221396027 is a deficient number, since it is larger than the sum of its proper divisors (76599893).
2221396027 is an equidigital number, since it uses as much as digits as its factorization.
2221396027 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 76599892.
The product of its (nonzero) digits is 18144, while the sum is 34.
The square root of 2221396027 is about 47131.6881407827. The cubic root of 2221396027 is about 1304.7941380963.
The spelling of 2221396027 in words is "two billion, two hundred twenty-one million, three hundred ninety-six thousand, twenty-seven".
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