Base | Representation |
---|---|
bin | 111011101010110… |
… | …0001100000110001 |
3 | 12011112100210101202 |
4 | 1313111201200301 |
5 | 13100021142433 |
6 | 530400340545 |
7 | 100420555412 |
oct | 16725414061 |
9 | 5145323352 |
10 | 2002130993 |
11 | 938172715 |
12 | 47a614755 |
13 | 25ba422c5 |
14 | 14dc91809 |
15 | bab83ee8 |
hex | 77561831 |
2002130993 has 2 divisors, whose sum is σ = 2002130994. Its totient is φ = 2002130992.
The previous prime is 2002130981. The next prime is 2002131083. The reversal of 2002130993 is 3990312002.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1951607329 + 50523664 = 44177^2 + 7108^2 .
It is a cyclic number.
It is not a de Polignac number, because 2002130993 - 26 = 2002130929 is a prime.
It is not a weakly prime, because it can be changed into another prime (2002133993) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001065496 + 1001065497.
It is an arithmetic number, because the mean of its divisors is an integer number (1001065497).
Almost surely, 22002130993 is an apocalyptic number.
It is an amenable number.
2002130993 is a deficient number, since it is larger than the sum of its proper divisors (1).
2002130993 is an equidigital number, since it uses as much as digits as its factorization.
2002130993 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 2916, while the sum is 29.
The square root of 2002130993 is about 44745.1784329887. The cubic root of 2002130993 is about 1260.3683715489.
Adding to 2002130993 its reverse (3990312002), we get a palindrome (5992442995).
The spelling of 2002130993 in words is "two billion, two million, one hundred thirty thousand, nine hundred ninety-three".
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