Base | Representation |
---|---|
bin | 100101001001101110… |
… | …0001100101100000000 |
3 | 21121221012220002010220 |
4 | 1022103130030230000 |
5 | 2301343430212310 |
6 | 100352443423040 |
7 | 5523045525132 |
oct | 1122334145400 |
9 | 247835802126 |
10 | 79783054080 |
11 | 309214aa434 |
12 | 13567224a80 |
13 | 76a61c6552 |
14 | 3c0c025052 |
15 | 211e418670 |
hex | 129370cb00 |
79783054080 has 144 divisors (see below), whose sum is σ = 255053672160. Its totient is φ = 21254897664.
The previous prime is 79783054073. The next prime is 79783054133. The reversal of 79783054080 is 8045038797.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4187616 + ... + 4206624.
Almost surely, 279783054080 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 79783054080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127526836080).
79783054080 is an abundant number, since it is smaller than the sum of its proper divisors (175270618080).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
79783054080 is a wasteful number, since it uses less digits than its factorization.
79783054080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20126 (or 20112 counting only the distinct ones).
The product of its (nonzero) digits is 1693440, while the sum is 51.
The spelling of 79783054080 in words is "seventy-nine billion, seven hundred eighty-three million, fifty-four thousand, eighty".
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