Base | Representation |
---|---|
bin | 111011011100100… |
… | …1100000011001001 |
3 | 12011000101102011201 |
4 | 1312321030003021 |
5 | 13041120444144 |
6 | 525533224201 |
7 | 100300460533 |
oct | 16671140311 |
9 | 5130342151 |
10 | 1994703049 |
11 | 933a59a19 |
12 | 478032061 |
13 | 25a341381 |
14 | 14ccba853 |
15 | ba1b81d4 |
hex | 76e4c0c9 |
1994703049 has 12 divisors (see below), whose sum is σ = 2149690800. Its totient is φ = 1845739224.
The previous prime is 1994703043. The next prime is 1994703103. The reversal of 1994703049 is 9403074991.
It is not a de Polignac number, because 1994703049 - 213 = 1994694857 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1994703043) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6742 + ... + 63520.
It is an arithmetic number, because the mean of its divisors is an integer number (179140900).
Almost surely, 21994703049 is an apocalyptic number.
1994703049 is a gapful number since it is divisible by the number (19) formed by its first and last digit.
It is an amenable number.
1994703049 is a deficient number, since it is larger than the sum of its proper divisors (154987751).
1994703049 is an equidigital number, since it uses as much as digits as its factorization.
1994703049 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 56884 (or 56841 counting only the distinct ones).
The product of its (nonzero) digits is 244944, while the sum is 46.
The square root of 1994703049 is about 44662.0985736228. The cubic root of 1994703049 is about 1258.8077764790.
The spelling of 1994703049 in words is "one billion, nine hundred ninety-four million, seven hundred three thousand, forty-nine".
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