Base | Representation |
---|---|
bin | 11100001111010111… |
… | …00111100010101001 |
3 | 1110010121120211002121 |
4 | 32013223213202221 |
5 | 222022240311301 |
6 | 10544234231241 |
7 | 1044465404533 |
oct | 160753474251 |
9 | 43117524077 |
10 | 15161260201 |
11 | 648015520a |
12 | 2b31585521 |
13 | 157808b2a9 |
14 | a3b800853 |
15 | 5db06a3a1 |
hex | 387ae78a9 |
15161260201 has 2 divisors, whose sum is σ = 15161260202. Its totient is φ = 15161260200.
The previous prime is 15161260139. The next prime is 15161260207. The reversal of 15161260201 is 10206216151.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 15158534400 + 2725801 = 123120^2 + 1651^2 .
It is an emirp because it is prime and its reverse (10206216151) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 15161260201 - 29 = 15161259689 is a prime.
It is not a weakly prime, because it can be changed into another prime (15161260207) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7580630100 + 7580630101.
It is an arithmetic number, because the mean of its divisors is an integer number (7580630101).
Almost surely, 215161260201 is an apocalyptic number.
It is an amenable number.
15161260201 is a deficient number, since it is larger than the sum of its proper divisors (1).
15161260201 is an equidigital number, since it uses as much as digits as its factorization.
15161260201 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 720, while the sum is 25.
Adding to 15161260201 its reverse (10206216151), we get a palindrome (25367476352).
The spelling of 15161260201 in words is "fifteen billion, one hundred sixty-one million, two hundred sixty thousand, two hundred one".
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