Base | Representation |
---|---|
bin | 1000000100001100… |
… | …1100111001110111 |
3 | 12120220000111001111 |
4 | 2001003030321313 |
5 | 13413231201101 |
6 | 554501335451 |
7 | 104440022224 |
oct | 20103147167 |
9 | 5526014044 |
10 | 2165100151 |
11 | a11162875 |
12 | 505107587 |
13 | 286732366 |
14 | 16779494b |
15 | ca126251 |
hex | 810cce77 |
2165100151 has 2 divisors, whose sum is σ = 2165100152. Its totient is φ = 2165100150.
The previous prime is 2165100139. The next prime is 2165100169. The reversal of 2165100151 is 1510015612.
It is a happy number.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 2165100151 - 221 = 2163002999 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2165100121) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1082550075 + 1082550076.
It is an arithmetic number, because the mean of its divisors is an integer number (1082550076).
Almost surely, 22165100151 is an apocalyptic number.
2165100151 is a deficient number, since it is larger than the sum of its proper divisors (1).
2165100151 is an equidigital number, since it uses as much as digits as its factorization.
2165100151 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 300, while the sum is 22.
The square root of 2165100151 is about 46530.6366923987. The cubic root of 2165100151 is about 1293.6774163702.
Adding to 2165100151 its reverse (1510015612), we get a palindrome (3675115763).
The spelling of 2165100151 in words is "two billion, one hundred sixty-five million, one hundred thousand, one hundred fifty-one".
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