Base | Representation |
---|---|
bin | 10010000010000110… |
… | …11101010100111111 |
3 | 220222201012001110222 |
4 | 21001003131110333 |
5 | 124311412011231 |
6 | 4240401051555 |
7 | 461625126626 |
oct | 110103352477 |
9 | 26881161428 |
10 | 9681360191 |
11 | 411896a228 |
12 | 1a62326bbb |
13 | bb39943c9 |
14 | 67bada6bd |
15 | 3b9e1b27b |
hex | 2410dd53f |
9681360191 has 8 divisors (see below), whose sum is σ = 9696151680. Its totient is φ = 9666582552.
The previous prime is 9681360181. The next prime is 9681360197. The reversal of 9681360191 is 1910631869.
It is a happy number.
9681360191 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 9681360191 - 26 = 9681360127 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (9681360197) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2793926 + ... + 2797388.
It is an arithmetic number, because the mean of its divisors is an integer number (1212018960).
Almost surely, 29681360191 is an apocalyptic number.
9681360191 is a deficient number, since it is larger than the sum of its proper divisors (14791489).
9681360191 is a wasteful number, since it uses less digits than its factorization.
9681360191 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6925.
The product of its (nonzero) digits is 69984, while the sum is 44.
The square root of 9681360191 is about 98393.9032206772. The cubic root of 9681360191 is about 2131.3042913492.
The spelling of 9681360191 in words is "nine billion, six hundred eighty-one million, three hundred sixty thousand, one hundred ninety-one".
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