Base | Representation |
---|---|
bin | 100101100101011100… |
… | …1010001000110011011 |
3 | 21201100001112121220210 |
4 | 1023022321101012123 |
5 | 2310300113434321 |
6 | 101025040422203 |
7 | 5555103521553 |
oct | 1131271210633 |
9 | 251301477823 |
10 | 80713421211 |
11 | 31259692a95 |
12 | 13786917963 |
13 | 77c3b93047 |
14 | 3c99808163 |
15 | 2175e42b76 |
hex | 12cae5119b |
80713421211 has 4 divisors (see below), whose sum is σ = 107617894952. Its totient is φ = 53808947472.
The previous prime is 80713421203. The next prime is 80713421221. The reversal of 80713421211 is 11212431708.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 80713421211 - 23 = 80713421203 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (80713421221) 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, 13452236866 + ... + 13452236871.
It is an arithmetic number, because the mean of its divisors is an integer number (26904473738).
Almost surely, 280713421211 is an apocalyptic number.
80713421211 is a deficient number, since it is larger than the sum of its proper divisors (26904473741).
80713421211 is a wasteful number, since it uses less digits than its factorization.
80713421211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26904473740.
The product of its (nonzero) digits is 2688, while the sum is 30.
Adding to 80713421211 its reverse (11212431708), we get a palindrome (91925852919).
The spelling of 80713421211 in words is "eighty billion, seven hundred thirteen million, four hundred twenty-one thousand, two hundred eleven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •