Base | Representation |
---|---|
bin | 1111100110001111… |
… | …11000011101111001 |
3 | 210121120222001021100 |
4 | 13303013320131321 |
5 | 114122204201311 |
6 | 3502533402013 |
7 | 414340644054 |
oct | 76307703571 |
9 | 23546861240 |
10 | 8373897081 |
11 | 3607934900 |
12 | 1758499309 |
13 | a35b454b4 |
14 | 5961d5a9b |
15 | 340254a56 |
hex | 1f31f8779 |
8373897081 has 81 divisors (see below), whose sum is σ = 13818231973. Its totient is φ = 4882920240.
The previous prime is 8373897053. The next prime is 8373897083. The reversal of 8373897081 is 1807983738.
The square root of 8373897081 is 91509.
It is a perfect power (a square), and thus also a powerful number.
8373897081 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 8373897081 - 27 = 8373896953 is a prime.
It is a super-2 number, since 2×83738970812 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (8373897083) by changing a digit.
It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 141930430 + ... + 141930488.
Almost surely, 28373897081 is an apocalyptic number.
8373897081 is the 91509-th square number.
8373897081 is the 45755-th centered octagonal number.
It is an amenable number.
8373897081 is a deficient number, since it is larger than the sum of its proper divisors (5444334892).
8373897081 is a wasteful number, since it uses less digits than its factorization.
8373897081 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 240 (or 120 counting only the distinct ones).
The product of its (nonzero) digits is 2032128, while the sum is 54.
The cubic root of 8373897081 is about 2030.6849008651.
The spelling of 8373897081 in words is "eight billion, three hundred seventy-three million, eight hundred ninety-seven thousand, eighty-one".
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