Base | Representation |
---|---|
bin | 10010001000000100… |
… | …11001000001110101 |
3 | 221010012100221202211 |
4 | 21010002121001311 |
5 | 124412220141320 |
6 | 4245345533421 |
7 | 463103431543 |
oct | 110402310165 |
9 | 27105327684 |
10 | 9731412085 |
11 | 4144145a2a |
12 | 1a77044271 |
13 | bc116a305 |
14 | 684608d93 |
15 | 3be50655a |
hex | 244099075 |
9731412085 has 16 divisors (see below), whose sum is σ = 12454885296. Its totient is φ = 7273689088.
The previous prime is 9731412059. The next prime is 9731412091. The reversal of 9731412085 is 5802141379.
It can be written as a sum of positive squares in 8 ways, for example, as 24039409 + 9707372676 = 4903^2 + 98526^2 .
It is not a de Polignac number, because 9731412085 - 213 = 9731403893 is a prime.
It is a Duffinian number.
It is a congruent number.
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, 406192 + ... + 429481.
It is an arithmetic number, because the mean of its divisors is an integer number (778430331).
Almost surely, 29731412085 is an apocalyptic number.
It is an amenable number.
9731412085 is a deficient number, since it is larger than the sum of its proper divisors (2723473211).
9731412085 is a wasteful number, since it uses less digits than its factorization.
9731412085 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 835832.
The product of its (nonzero) digits is 60480, while the sum is 40.
The square root of 9731412085 is about 98647.9198209471. The cubic root of 9731412085 is about 2134.9708734991.
The spelling of 9731412085 in words is "nine billion, seven hundred thirty-one million, four hundred twelve thousand, eighty-five".
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