Base | Representation |
---|---|
bin | 10000111000010001… |
… | …01111001111011101 |
3 | 212101112201122121000 |
4 | 20130020233033131 |
5 | 122024332043133 |
6 | 4055113500513 |
7 | 440364423012 |
oct | 103410571735 |
9 | 25345648530 |
10 | 9061987293 |
11 | 393028a1a7 |
12 | 190aa11739 |
13 | b15574978 |
14 | 61d74d709 |
15 | 380873413 |
hex | 21c22f3dd |
9061987293 has 16 divisors (see below), whose sum is σ = 13429532160. Its totient is φ = 6039360288.
The previous prime is 9061987283. The next prime is 9061987331. The reversal of 9061987293 is 3927891609.
It is not a de Polignac number, because 9061987293 - 25 = 9061987261 is a prime.
It is a super-2 number, since 2×90619872932 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (9061987213) 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, 32521 + ... + 138497.
It is an arithmetic number, because the mean of its divisors is an integer number (839345760).
Almost surely, 29061987293 is an apocalyptic number.
It is an amenable number.
9061987293 is a deficient number, since it is larger than the sum of its proper divisors (4367544867).
9061987293 is a wasteful number, since it uses less digits than its factorization.
9061987293 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 109153 (or 109147 counting only the distinct ones).
The product of its (nonzero) digits is 1469664, while the sum is 54.
The square root of 9061987293 is about 95194.4709161199. The cubic root of 9061987293 is about 2084.8484109034.
The spelling of 9061987293 in words is "nine billion, sixty-one million, nine hundred eighty-seven thousand, two hundred ninety-three".
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