Base | Representation |
---|---|
bin | 101000000000111010… |
… | …1111000010111111111 |
3 | 22012210121220212110220 |
4 | 1100001311320113333 |
5 | 2401441120411204 |
6 | 103250435232423 |
7 | 6131301024303 |
oct | 1200165702777 |
9 | 265717825426 |
10 | 85930247679 |
11 | 33496425a21 |
12 | 147a1a48713 |
13 | 814591aa03 |
14 | 42325cbd03 |
15 | 237de291d9 |
hex | 1401d785ff |
85930247679 has 16 divisors (see below), whose sum is σ = 117405535104. Its totient is φ = 55874700000.
The previous prime is 85930247677. The next prime is 85930247707. The reversal of 85930247679 is 97674203958.
It is not a de Polignac number, because 85930247679 - 21 = 85930247677 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (85930247677) 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, 384697 + ... + 565554.
It is an arithmetic number, because the mean of its divisors is an integer number (7337845944).
Almost surely, 285930247679 is an apocalyptic number.
85930247679 is a deficient number, since it is larger than the sum of its proper divisors (31475287425).
85930247679 is a wasteful number, since it uses less digits than its factorization.
85930247679 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 950998.
The product of its (nonzero) digits is 22861440, while the sum is 60.
The spelling of 85930247679 in words is "eighty-five billion, nine hundred thirty million, two hundred forty-seven thousand, six hundred seventy-nine".
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