Base | Representation |
---|---|
bin | 1111010011001110… |
… | …11010000100000010 |
3 | 210012110211012022102 |
4 | 13221213122010002 |
5 | 113310340421434 |
6 | 3435034510402 |
7 | 410363103650 |
oct | 75147320402 |
9 | 23173735272 |
10 | 8214388994 |
11 | 3535899039 |
12 | 1712b95402 |
13 | a0ba97906 |
14 | 57cd53dd0 |
15 | 33124807e |
hex | 1e99da102 |
8214388994 has 32 divisors (see below), whose sum is σ = 14135337216. Its totient is φ = 3507102720.
The previous prime is 8214388979. The next prime is 8214388999. The reversal of 8214388994 is 4998834128.
It is not an unprimeable number, because it can be changed into a prime (8214388999) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6034874 + ... + 6036234.
It is an arithmetic number, because the mean of its divisors is an integer number (441729288).
Almost surely, 28214388994 is an apocalyptic number.
8214388994 is a deficient number, since it is larger than the sum of its proper divisors (5920948222).
8214388994 is a wasteful number, since it uses less digits than its factorization.
8214388994 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2690.
The product of its digits is 3981312, while the sum is 56.
The square root of 8214388994 is about 90633.2664864287. The cubic root of 8214388994 is about 2017.7084913981.
The spelling of 8214388994 in words is "eight billion, two hundred fourteen million, three hundred eighty-eight thousand, nine hundred ninety-four".
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