Base | Representation |
---|---|
bin | 10010000000111111… |
… | …00010000011001001 |
3 | 220222001110120121212 |
4 | 21000133202003021 |
5 | 124302004123340 |
6 | 4235423142505 |
7 | 461452103432 |
oct | 110037420311 |
9 | 26861416555 |
10 | 9671942345 |
11 | 411361748a |
12 | 1a5b144a35 |
13 | bb1a47810 |
14 | 67a768489 |
15 | 3b91aaa65 |
hex | 2407e20c9 |
9671942345 has 32 divisors (see below), whose sum is σ = 13268979360. Its totient is φ = 6704640000.
The previous prime is 9671942333. The next prime is 9671942347. The reversal of 9671942345 is 5432491769.
It can be written as a sum of positive squares in 16 ways, for example, as 659667856 + 9012274489 = 25684^2 + 94933^2 .
It is not a de Polignac number, because 9671942345 - 214 = 9671925961 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 9671942293 and 9671942302.
It is not an unprimeable number, because it can be changed into a prime (9671942347) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 418595 + ... + 441095.
It is an arithmetic number, because the mean of its divisors is an integer number (414655605).
Almost surely, 29671942345 is an apocalyptic number.
It is an amenable number.
9671942345 is a deficient number, since it is larger than the sum of its proper divisors (3597037015).
9671942345 is a wasteful number, since it uses less digits than its factorization.
9671942345 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22925.
The product of its digits is 1632960, while the sum is 50.
The square root of 9671942345 is about 98346.0337024326. The cubic root of 9671942345 is about 2130.6129694905.
The spelling of 9671942345 in words is "nine billion, six hundred seventy-one million, nine hundred forty-two thousand, three hundred forty-five".
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