Base | Representation |
---|---|
bin | 1010011110101010… |
… | …1110001000101101 |
3 | 21021001010220110102 |
4 | 2213222232020231 |
5 | 21230111302333 |
6 | 1143044120445 |
7 | 126465024650 |
oct | 24752561055 |
9 | 7231126412 |
10 | 2812994093 |
11 | 1213953108 |
12 | 666096125 |
13 | 35aa29860 |
14 | 1c9847897 |
15 | 116e54ae8 |
hex | a7aae22d |
2812994093 has 32 divisors (see below), whose sum is σ = 3629068800. Its totient is φ = 2119239936.
The previous prime is 2812994087. The next prime is 2812994111. The reversal of 2812994093 is 3904992182.
It is a cyclic number.
It is not a de Polignac number, because 2812994093 - 216 = 2812928557 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2812993093) 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 31 ways as a sum of consecutive naturals, for example, 476363 + ... + 482231.
It is an arithmetic number, because the mean of its divisors is an integer number (113408400).
Almost surely, 22812994093 is an apocalyptic number.
2812994093 is a gapful number since it is divisible by the number (23) formed by its first and last digit.
It is an amenable number.
2812994093 is a deficient number, since it is larger than the sum of its proper divisors (816074707).
2812994093 is a wasteful number, since it uses less digits than its factorization.
2812994093 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6141.
The product of its (nonzero) digits is 279936, while the sum is 47.
The square root of 2812994093 is about 53037.6667378949. Note that the first 3 decimals coincide. The cubic root of 2812994093 is about 1411.6366979153.
The spelling of 2812994093 in words is "two billion, eight hundred twelve million, nine hundred ninety-four thousand, ninety-three".
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