Base | Representation |
---|---|
bin | 111111111010001… |
… | …1111000001111111 |
3 | 12112110012002222111 |
4 | 1333310133001333 |
5 | 13342440340043 |
6 | 552443154451 |
7 | 104066436421 |
oct | 17764370177 |
9 | 5473162874 |
10 | 2144465023 |
11 | a00549348 |
12 | 4ba215a27 |
13 | 282388b1c |
14 | 164b42811 |
15 | c83ec09d |
hex | 7fd1f07f |
2144465023 has 4 divisors (see below), whose sum is σ = 2153437920. Its totient is φ = 2135492128.
The previous prime is 2144464979. The next prime is 2144465069. The reversal of 2144465023 is 3205644412.
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 2144465023 - 217 = 2144333951 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2144465093) 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, 4486090 + ... + 4486567.
It is an arithmetic number, because the mean of its divisors is an integer number (538359480).
Almost surely, 22144465023 is an apocalyptic number.
2144465023 is a deficient number, since it is larger than the sum of its proper divisors (8972897).
2144465023 is an equidigital number, since it uses as much as digits as its factorization.
2144465023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8972896.
The product of its (nonzero) digits is 23040, while the sum is 31.
The square root of 2144465023 is about 46308.3688224925. The cubic root of 2144465023 is about 1289.5543646299.
The spelling of 2144465023 in words is "two billion, one hundred forty-four million, four hundred sixty-five thousand, twenty-three".
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