Base | Representation |
---|---|
bin | 111111111011101… |
… | …1001110101001001 |
3 | 12112111121222112122 |
4 | 1333313121311021 |
5 | 13343134331103 |
6 | 552511421025 |
7 | 104106104213 |
oct | 17767316511 |
9 | 5474558478 |
10 | 2145230153 |
11 | a00a21190 |
12 | 4ba524775 |
13 | 282596171 |
14 | 164ca15b3 |
15 | c84edb38 |
hex | 7fdd9d49 |
2145230153 has 8 divisors (see below), whose sum is σ = 2477913120. Its totient is φ = 1835490880.
The previous prime is 2145230111. The next prime is 2145230159. The reversal of 2145230153 is 3510325412.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2145230153 - 210 = 2145229129 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2145230159) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5735723 + ... + 5736096.
It is an arithmetic number, because the mean of its divisors is an integer number (309739140).
Almost surely, 22145230153 is an apocalyptic number.
It is an amenable number.
2145230153 is a deficient number, since it is larger than the sum of its proper divisors (332682967).
2145230153 is a wasteful number, since it uses less digits than its factorization.
2145230153 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11471847.
The product of its (nonzero) digits is 3600, while the sum is 26.
The square root of 2145230153 is about 46316.6293354773. The cubic root of 2145230153 is about 1289.7077143616.
Adding to 2145230153 its reverse (3510325412), we get a palindrome (5655555565).
The spelling of 2145230153 in words is "two billion, one hundred forty-five million, two hundred thirty thousand, one hundred fifty-three".
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