Base | Representation |
---|---|
bin | 100101001011100000… |
… | …0011111110010101001 |
3 | 21122002101111121220110 |
4 | 1022113000133302221 |
5 | 2302004240314121 |
6 | 100402422244533 |
7 | 5524403314332 |
oct | 1122700376251 |
9 | 248071447813 |
10 | 79842901161 |
11 | 30952266431 |
12 | 13583286749 |
13 | 76b571ba1a |
14 | 3c15d63289 |
15 | 21247dad76 |
hex | 129701fca9 |
79842901161 has 16 divisors (see below), whose sum is σ = 107688052800. Its totient is φ = 52613561088.
The previous prime is 79842901121. The next prime is 79842901169. The reversal of 79842901161 is 16110924897.
It is not a de Polignac number, because 79842901161 - 211 = 79842899113 is a prime.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 79842901161.
It is not an unprimeable number, because it can be changed into a prime (79842901169) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 810210 + ... + 903396.
It is an arithmetic number, because the mean of its divisors is an integer number (6730503300).
Almost surely, 279842901161 is an apocalyptic number.
It is an amenable number.
79842901161 is a deficient number, since it is larger than the sum of its proper divisors (27845151639).
79842901161 is a wasteful number, since it uses less digits than its factorization.
79842901161 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 96488.
The product of its (nonzero) digits is 217728, while the sum is 48.
The spelling of 79842901161 in words is "seventy-nine billion, eight hundred forty-two million, nine hundred one thousand, one hundred sixty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.085 sec. • engine limits •