Base | Representation |
---|---|
bin | 100100110101011011… |
… | …0010000101001110011 |
3 | 21120011202101222022021 |
4 | 1021222312100221303 |
5 | 2244000104121321 |
6 | 100201114452311 |
7 | 5500136035504 |
oct | 1115266205163 |
9 | 246152358267 |
10 | 79102020211 |
11 | 30602034625 |
12 | 133b7134097 |
13 | 75c8097b26 |
14 | 3b857c6bab |
15 | 20ce740941 |
hex | 126ad90a73 |
79102020211 has 8 divisors (see below), whose sum is σ = 79911471200. Its totient is φ = 78296689152.
The previous prime is 79102020167. The next prime is 79102020269. The reversal of 79102020211 is 11202020197.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 79102020211 - 29 = 79102019699 is a prime.
It is a super-2 number, since 2×791020202112 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (79102020271) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 991380 + ... + 1068193.
It is an arithmetic number, because the mean of its divisors is an integer number (9988933900).
Almost surely, 279102020211 is an apocalyptic number.
79102020211 is a deficient number, since it is larger than the sum of its proper divisors (809450989).
79102020211 is a wasteful number, since it uses less digits than its factorization.
79102020211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2059965.
The product of its (nonzero) digits is 504, while the sum is 25.
The spelling of 79102020211 in words is "seventy-nine billion, one hundred two million, twenty thousand, two hundred eleven".
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