Base | Representation |
---|---|
bin | 111111010101011… |
… | …0100010010100011 |
3 | 12111002211222110210 |
4 | 1332222310102203 |
5 | 13323014402233 |
6 | 550513225203 |
7 | 103443335430 |
oct | 17652642243 |
9 | 5432758423 |
10 | 2125153443 |
11 | 9a0659266 |
12 | 4b3862203 |
13 | 27b386b5a |
14 | 162356b87 |
15 | c6885163 |
hex | 7eab44a3 |
2125153443 has 16 divisors (see below), whose sum is σ = 3282692096. Its totient is φ = 1197737280.
The previous prime is 2125153427. The next prime is 2125153507. The reversal of 2125153443 is 3443515212.
It is not a de Polignac number, because 2125153443 - 24 = 2125153427 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 2125153443.
It is not an unprimeable number, because it can be changed into a prime (2125152443) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 691603 + ... + 694668.
It is an arithmetic number, because the mean of its divisors is an integer number (205168256).
Almost surely, 22125153443 is an apocalyptic number.
2125153443 is a deficient number, since it is larger than the sum of its proper divisors (1157538653).
2125153443 is a wasteful number, since it uses less digits than its factorization.
2125153443 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1386354.
The product of its digits is 14400, while the sum is 30.
The square root of 2125153443 is about 46099.3865794329. The cubic root of 2125153443 is about 1285.6717393028.
Adding to 2125153443 its reverse (3443515212), we get a palindrome (5568668655).
It can be divided in two parts, 212 and 5153443, that added together give a triangular number (5153655 = T3210).
The spelling of 2125153443 in words is "two billion, one hundred twenty-five million, one hundred fifty-three thousand, four hundred forty-three".
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