Base | Representation |
---|---|
bin | 1000000001000111… |
… | …0010000101100101 |
3 | 12112222122022021110 |
4 | 2000101302011211 |
5 | 13401422122003 |
6 | 553315535233 |
7 | 104221634646 |
oct | 20021620545 |
9 | 5488568243 |
10 | 2152145253 |
11 | a04914645 |
12 | 5008ba519 |
13 | 283b4783b |
14 | 165b816cd |
15 | c8e17a03 |
hex | 80472165 |
2152145253 has 8 divisors (see below), whose sum is σ = 2870233600. Its totient is φ = 1434410208.
The previous prime is 2152145221. The next prime is 2152145267. The reversal of 2152145253 is 3525412512.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2152145253 - 25 = 2152145221 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 2152145253.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2152145353) by changing a digit.
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, 73768 + ... + 98721.
It is an arithmetic number, because the mean of its divisors is an integer number (358779200).
Almost surely, 22152145253 is an apocalyptic number.
It is an amenable number.
2152145253 is a deficient number, since it is larger than the sum of its proper divisors (718088347).
2152145253 is a wasteful number, since it uses less digits than its factorization.
2152145253 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 176651.
The product of its digits is 12000, while the sum is 30.
The square root of 2152145253 is about 46391.2195679312. The cubic root of 2152145253 is about 1291.0920090511.
Adding to 2152145253 its reverse (3525412512), we get a palindrome (5677557765).
The spelling of 2152145253 in words is "two billion, one hundred fifty-two million, one hundred forty-five thousand, two hundred fifty-three".
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