Base | Representation |
---|---|
bin | 100101001000101001… |
… | …0111010101000111011 |
3 | 21121211201011201100212 |
4 | 1022101102322220323 |
5 | 2301310222111202 |
6 | 100345120221335 |
7 | 5522130610640 |
oct | 1122122725073 |
9 | 247751151325 |
10 | 79747066427 |
11 | 3090315a376 |
12 | 1355716a84b |
13 | 769b906092 |
14 | 3c07337dc7 |
15 | 211b1aa652 |
hex | 12914baa3b |
79747066427 has 8 divisors (see below), whose sum is σ = 91400652000. Its totient is φ = 68158767744.
The previous prime is 79747066417. The next prime is 79747066459. The reversal of 79747066427 is 72466074797.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-79747066427 is a prime.
It is not an unprimeable number, because it can be changed into a prime (79747066417) 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, 16319102 + ... + 16323987.
It is an arithmetic number, because the mean of its divisors is an integer number (11425081500).
Almost surely, 279747066427 is an apocalyptic number.
79747066427 is a deficient number, since it is larger than the sum of its proper divisors (11653585573).
79747066427 is a wasteful number, since it uses less digits than its factorization.
79747066427 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32643445.
The product of its (nonzero) digits is 24893568, while the sum is 59.
The spelling of 79747066427 in words is "seventy-nine billion, seven hundred forty-seven million, sixty-six thousand, four hundred twenty-seven".
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