Base | Representation |
---|---|
bin | 100101101000001011… |
… | …1001001000000110011 |
3 | 21201120110010100100210 |
4 | 1023100113021000303 |
5 | 2310442103412413 |
6 | 101042114315203 |
7 | 5560266226056 |
oct | 1132027110063 |
9 | 251513110323 |
10 | 80805138483 |
11 | 312a6437593 |
12 | 137b1588b03 |
13 | 7809b96814 |
14 | 3ca7a80a9d |
15 | 217e00d3c3 |
hex | 12d05c9033 |
80805138483 has 18 divisors (see below), whose sum is σ = 108283183596. Its totient is φ = 53599952448.
The previous prime is 80805138467. The next prime is 80805138487. The reversal of 80805138483 is 38483150808.
It is not a de Polignac number, because 80805138483 - 24 = 80805138467 is a prime.
It is not an unprimeable number, because it can be changed into a prime (80805138487) by changing a digit.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 165924066 + ... + 165924552.
It is an arithmetic number, because the mean of its divisors is an integer number (6015732422).
Almost surely, 280805138483 is an apocalyptic number.
80805138483 is a deficient number, since it is larger than the sum of its proper divisors (27478045113).
80805138483 is an frugal number, since it uses more digits than its factorization.
80805138483 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1651 (or 827 counting only the distinct ones).
The product of its (nonzero) digits is 737280, while the sum is 48.
Multiplying 80805138483 by its sum of digits (48), we get a square (3878646647184 = 19694282).
The spelling of 80805138483 in words is "eighty billion, eight hundred five million, one hundred thirty-eight thousand, four hundred eighty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.080 sec. • engine limits •