Base | Representation |
---|---|
bin | 10000110100100110… |
… | …10000101110111101 |
3 | 212022101210001200112 |
4 | 20122103100232331 |
5 | 121443441111420 |
6 | 4052053435405 |
7 | 436541601221 |
oct | 103223205675 |
9 | 25271701615 |
10 | 9031191485 |
11 | 3914965918 |
12 | 190063bb65 |
13 | b0c0816b4 |
14 | 619614781 |
15 | 37ccdd8c5 |
hex | 21a4d0bbd |
9031191485 has 8 divisors (see below), whose sum is σ = 10838741976. Its totient is φ = 7224078400.
The previous prime is 9031191439. The next prime is 9031191527. The reversal of 9031191485 is 5841911309.
9031191485 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 379587289 + 8651604196 = 19483^2 + 93014^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-9031191485 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
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, 62066 + ... + 148035.
It is an arithmetic number, because the mean of its divisors is an integer number (1354842747).
Almost surely, 29031191485 is an apocalyptic number.
It is an amenable number.
9031191485 is a deficient number, since it is larger than the sum of its proper divisors (1807550491).
9031191485 is a wasteful number, since it uses less digits than its factorization.
9031191485 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 218703.
The product of its (nonzero) digits is 38880, while the sum is 41.
The square root of 9031191485 is about 95032.5811761419. The cubic root of 9031191485 is about 2082.4840487675.
The spelling of 9031191485 in words is "nine billion, thirty-one million, one hundred ninety-one thousand, four hundred eighty-five".
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