Base | Representation |
---|---|
bin | 100101100100100100… |
… | …0001101001101100111 |
3 | 21201020222202211221211 |
4 | 1023021020031031213 |
5 | 2310220022024030 |
6 | 101022101252251 |
7 | 5554263561043 |
oct | 1131110151547 |
9 | 251228684854 |
10 | 80683783015 |
11 | 3124398a410 |
12 | 13778a04087 |
13 | 77ba9b6954 |
14 | 3c958d1023 |
15 | 217353b12a |
hex | 12c920d367 |
80683783015 has 16 divisors (see below), whose sum is σ = 106003735200. Its totient is φ = 58467265920.
The previous prime is 80683783013. The next prime is 80683783031. The reversal of 80683783015 is 51038738608.
It is not a de Polignac number, because 80683783015 - 21 = 80683783013 is a prime.
It is a super-2 number, since 2×806837830152 (a number of 23 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 80683783015.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80683783013) 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, 2632740 + ... + 2663209.
It is an arithmetic number, because the mean of its divisors is an integer number (6625233450).
Almost surely, 280683783015 is an apocalyptic number.
80683783015 is a deficient number, since it is larger than the sum of its proper divisors (25319952185).
80683783015 is a wasteful number, since it uses less digits than its factorization.
80683783015 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5296242.
The product of its (nonzero) digits is 967680, while the sum is 49.
The spelling of 80683783015 in words is "eighty billion, six hundred eighty-three million, seven hundred eighty-three thousand, fifteen".
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