Base | Representation |
---|---|
bin | 111011110001010… |
… | …0010010100000111 |
3 | 12011202210002121221 |
4 | 1313202202110013 |
5 | 13101404322101 |
6 | 531001421211 |
7 | 100461553444 |
oct | 16742422407 |
9 | 5152702557 |
10 | 2005542151 |
11 | 93a092558 |
12 | 47b79a807 |
13 | 25c667b42 |
14 | 1504dc9cb |
15 | bb109aa1 |
hex | 778a2507 |
2005542151 has 2 divisors, whose sum is σ = 2005542152. Its totient is φ = 2005542150.
The previous prime is 2005542137. The next prime is 2005542181. The reversal of 2005542151 is 1512455002.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 2005542151 - 27 = 2005542023 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2005542181) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1002771075 + 1002771076.
It is an arithmetic number, because the mean of its divisors is an integer number (1002771076).
Almost surely, 22005542151 is an apocalyptic number.
2005542151 is a deficient number, since it is larger than the sum of its proper divisors (1).
2005542151 is an equidigital number, since it uses as much as digits as its factorization.
2005542151 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 2000, while the sum is 25.
The square root of 2005542151 is about 44783.2798151274. The cubic root of 2005542151 is about 1261.0837553582.
Adding to 2005542151 its reverse (1512455002), we get a palindrome (3517997153).
The spelling of 2005542151 in words is "two billion, five million, five hundred forty-two thousand, one hundred fifty-one".
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