Base | Representation |
---|---|
bin | 100101100010011100… |
… | …1010000101001111010 |
3 | 21201002001010022022222 |
4 | 1023010321100221322 |
5 | 2310043331143330 |
6 | 101011043044042 |
7 | 5552442056336 |
oct | 1130471205172 |
9 | 251061108288 |
10 | 80612756090 |
11 | 31207887879 |
12 | 13759070622 |
13 | 77a9078899 |
14 | 3c8a2c27c6 |
15 | 216c1ab0e5 |
hex | 12c4e50a7a |
80612756090 has 32 divisors (see below), whose sum is σ = 152162804880. Its totient is φ = 30706712064.
The previous prime is 80612756089. The next prime is 80612756113. The reversal of 80612756090 is 9065721608.
It can be written as a sum of positive squares in 8 ways, for example, as 54915704281 + 25697051809 = 234341^2 + 160303^2 .
It is an unprimeable number.
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, 1882769 + ... + 1925108.
Almost surely, 280612756090 is an apocalyptic number.
80612756090 is a deficient number, since it is larger than the sum of its proper divisors (71550048790).
80612756090 is a wasteful number, since it uses less digits than its factorization.
80612756090 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3807986.
The product of its (nonzero) digits is 181440, while the sum is 44.
The spelling of 80612756090 in words is "eighty billion, six hundred twelve million, seven hundred fifty-six thousand, ninety".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •