Base | Representation |
---|---|
bin | 111011101010110… |
… | …0100111110111101 |
3 | 12011112101111220102 |
4 | 1313111210332331 |
5 | 13100022121323 |
6 | 530400530445 |
7 | 100420645025 |
oct | 16725447675 |
9 | 5145344812 |
10 | 2002145213 |
11 | 938182372 |
12 | 47a620a25 |
13 | 25ba48913 |
14 | 14dc96a85 |
15 | bab88328 |
hex | 77564fbd |
2002145213 has 2 divisors, whose sum is σ = 2002145214. Its totient is φ = 2002145212.
The previous prime is 2002145203. The next prime is 2002145227. The reversal of 2002145213 is 3125412002.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1932305764 + 69839449 = 43958^2 + 8357^2 .
It is a cyclic number.
It is not a de Polignac number, because 2002145213 - 28 = 2002144957 is a prime.
It is a super-4 number, since 4×20021452134 (a number of 38 digits) contains 4444 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2002145203) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001072606 + 1001072607.
It is an arithmetic number, because the mean of its divisors is an integer number (1001072607).
Almost surely, 22002145213 is an apocalyptic number.
It is an amenable number.
2002145213 is a deficient number, since it is larger than the sum of its proper divisors (1).
2002145213 is an equidigital number, since it uses as much as digits as its factorization.
2002145213 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 480, while the sum is 20.
The square root of 2002145213 is about 44745.3373325087. The cubic root of 2002145213 is about 1260.3713554355.
Adding to 2002145213 its reverse (3125412002), we get a palindrome (5127557215).
The spelling of 2002145213 in words is "two billion, two million, one hundred forty-five thousand, two hundred thirteen".
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