Base | Representation |
---|---|
bin | 100110101101101100… |
… | …0010011001000010001 |
3 | 21221120222211022201001 |
4 | 1031123120103020101 |
5 | 2330231143200324 |
6 | 102105352342001 |
7 | 6002136610204 |
oct | 1153330231021 |
9 | 257528738631 |
10 | 83137475089 |
11 | 32292a345a9 |
12 | 141426a4901 |
13 | 7abc151356 |
14 | 404972993b |
15 | 2268b6ae44 |
hex | 135b613211 |
83137475089 has 4 divisors (see below), whose sum is σ = 83375691700. Its totient is φ = 82899258480.
The previous prime is 83137475059. The next prime is 83137475093. The reversal of 83137475089 is 98057473138.
It is a happy number.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 34779266064 + 48358209025 = 186492^2 + 219905^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-83137475089 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (83137475059) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119107782 + ... + 119108479.
It is an arithmetic number, because the mean of its divisors is an integer number (20843922925).
Almost surely, 283137475089 is an apocalyptic number.
It is an amenable number.
83137475089 is a deficient number, since it is larger than the sum of its proper divisors (238216611).
83137475089 is a wasteful number, since it uses less digits than its factorization.
83137475089 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 238216610.
The product of its (nonzero) digits is 5080320, while the sum is 55.
The spelling of 83137475089 in words is "eighty-three billion, one hundred thirty-seven million, four hundred seventy-five thousand, eighty-nine".
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