Base | Representation |
---|---|
bin | 100101001110111111… |
… | …1001100011000000000 |
3 | 21122101112211212022111 |
4 | 1022131333030120000 |
5 | 2302224230000000 |
6 | 100422204145104 |
7 | 5530324533346 |
oct | 1123577143000 |
9 | 248345755274 |
10 | 79960000000 |
11 | 30a02376531 |
12 | 135b6538194 |
13 | 7703a6b28a |
14 | 3c27725996 |
15 | 212ec1bcba |
hex | 129dfcc600 |
79960000000 has 160 divisors (see below), whose sum is σ = 199804176000. Its totient is φ = 31968000000.
The previous prime is 79959999979. The next prime is 79960000027. The reversal of 79960000000 is 6997.
It is a tau number, because it is divible by the number of its divisors (160).
It is a congruent number.
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, 39999001 + ... + 40000999.
It is an arithmetic number, because the mean of its divisors is an integer number (1248776100).
Almost surely, 279960000000 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 79960000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99902088000).
79960000000 is an abundant number, since it is smaller than the sum of its proper divisors (119844176000).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
79960000000 is an frugal number, since it uses more digits than its factorization.
79960000000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2052 (or 2006 counting only the distinct ones).
The product of its (nonzero) digits is 3402, while the sum is 31.
Adding to 79960000000 its reverse (6997), we get a palindrome (79960006997).
The spelling of 79960000000 in words is "seventy-nine billion, nine hundred sixty million", and thus it is an aban number.
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