Base | Representation |
---|---|
bin | 111111111100000… |
… | …1101010100001111 |
3 | 12112112000200211020 |
4 | 1333320031110033 |
5 | 13343213103124 |
6 | 552520125223 |
7 | 104110643100 |
oct | 17770152417 |
9 | 5475020736 |
10 | 2145441039 |
11 | a01055675 |
12 | 4ba606813 |
13 | 28263b151 |
14 | 164d183a7 |
15 | c8541379 |
hex | 7fe0d50f |
2145441039 has 24 divisors (see below), whose sum is σ = 3329452080. Its totient is φ = 1225292544.
The previous prime is 2145440951. The next prime is 2145441047. The reversal of 2145441039 is 9301445412.
It is not a de Polignac number, because 2145441039 - 223 = 2137052431 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2145441079) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 407367 + ... + 412599.
It is an arithmetic number, because the mean of its divisors is an integer number (138727170).
Almost surely, 22145441039 is an apocalyptic number.
2145441039 is a deficient number, since it is larger than the sum of its proper divisors (1184011041).
2145441039 is a wasteful number, since it uses less digits than its factorization.
2145441039 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8039 (or 8032 counting only the distinct ones).
The product of its (nonzero) digits is 17280, while the sum is 33.
The square root of 2145441039 is about 46318.9058484762. The cubic root of 2145441039 is about 1289.7499743788.
The spelling of 2145441039 in words is "two billion, one hundred forty-five million, four hundred forty-one thousand, thirty-nine".
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