Base | Representation |
---|---|
bin | 1010110001010011… |
… | …1010011001011110 |
3 | 21110111020022100122 |
4 | 2230110322121132 |
5 | 21410114210410 |
6 | 1154515354542 |
7 | 131434324214 |
oct | 25424723136 |
9 | 7414208318 |
10 | 2891163230 |
11 | 1253a937aa |
12 | 6882b2a52 |
13 | 370c98797 |
14 | 1d5d94cb4 |
15 | 11dc45e55 |
hex | ac53a65e |
2891163230 has 32 divisors (see below), whose sum is σ = 5452185600. Its totient is φ = 1102448160.
The previous prime is 2891163193. The next prime is 2891163241. The reversal of 2891163230 is 323611982.
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 15 ways as a sum of consecutive naturals, for example, 48830 + ... + 90369.
It is an arithmetic number, because the mean of its divisors is an integer number (170380800).
Almost surely, 22891163230 is an apocalyptic number.
2891163230 is a deficient number, since it is larger than the sum of its proper divisors (2561022370).
2891163230 is a wasteful number, since it uses less digits than its factorization.
2891163230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 139304.
The product of its (nonzero) digits is 15552, while the sum is 35.
The square root of 2891163230 is about 53769.5381233650. The cubic root of 2891163230 is about 1424.5932118855.
The spelling of 2891163230 in words is "two billion, eight hundred ninety-one million, one hundred sixty-three thousand, two hundred thirty".
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