Base | Representation |
---|---|
bin | 1000100101000111… |
… | …0010101000101011 |
3 | 12221111202202110222 |
4 | 2021101302220223 |
5 | 14204101024233 |
6 | 1020312200255 |
7 | 111034250000 |
oct | 21121625053 |
9 | 5844682428 |
10 | 2303142443 |
11 | a82078008 |
12 | 54339908b |
13 | 2a92055a4 |
14 | 17bc498a7 |
15 | d72e2898 |
hex | 89472a2b |
2303142443 has 20 divisors (see below), whose sum is σ = 2694001800. Its totient is φ = 1968863904.
The previous prime is 2303142433. The next prime is 2303142463. The reversal of 2303142443 is 3442413032.
It is not a de Polignac number, because 2303142443 - 216 = 2303076907 is a prime.
It is a super-2 number, since 2×23031424432 = 10608930225496016498, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (2303142403) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1096208 + ... + 1098306.
It is an arithmetic number, because the mean of its divisors is an integer number (134700090).
Almost surely, 22303142443 is an apocalyptic number.
2303142443 is a deficient number, since it is larger than the sum of its proper divisors (390859357).
2303142443 is an frugal number, since it uses more digits than its factorization.
2303142443 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2584 (or 2563 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 26.
The square root of 2303142443 is about 47991.0662832157. The cubic root of 2303142443 is about 1320.6070140134.
Adding to 2303142443 its reverse (3442413032), we get a palindrome (5745555475).
The spelling of 2303142443 in words is "two billion, three hundred three million, one hundred forty-two thousand, four hundred forty-three".
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