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2665210201 is a prime number
BaseRepresentation
bin1001111011011011…
…1110000101011001
320212202001201001221
42132312332011121
520424243211301
61120244412041
7123021625063
oct23666760531
96782051057
102665210201
111148494965
126246a7021
13336225574
141b3d78733
15108eb1da1
hex9edbe159

2665210201 has 2 divisors, whose sum is σ = 2665210202. Its totient is φ = 2665210200.

The previous prime is 2665210183. The next prime is 2665210211. The reversal of 2665210201 is 1020125662.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1951518976 + 713691225 = 44176^2 + 26715^2 .

It is a cyclic number.

It is not a de Polignac number, because 2665210201 - 27 = 2665210073 is a prime.

It is not a weakly prime, because it can be changed into another prime (2665210211) 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, 1332605100 + 1332605101.

It is an arithmetic number, because the mean of its divisors is an integer number (1332605101).

Almost surely, 22665210201 is an apocalyptic number.

It is an amenable number.

2665210201 is a deficient number, since it is larger than the sum of its proper divisors (1).

2665210201 is an equidigital number, since it uses as much as digits as its factorization.

2665210201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 2665210201 is about 51625.6738551663. The cubic root of 2665210201 is about 1386.4700385015.

Adding to 2665210201 its reverse (1020125662), we get a palindrome (3685335863).

The spelling of 2665210201 in words is "two billion, six hundred sixty-five million, two hundred ten thousand, two hundred one".