Search a number
-
+
101022197 is a prime number
BaseRepresentation
bin1100000010101…
…11100111110101
321001002110101212
412001113213311
5201330202242
614005131205
72334450233
oct601274765
9231073355
10101022197
115202a521
12299b9b05
1317c10b63
14d5b9953
158d07782
hex60579f5

101022197 has 2 divisors, whose sum is σ = 101022198. Its totient is φ = 101022196.

The previous prime is 101022169. The next prime is 101022203. The reversal of 101022197 is 791220101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98684356 + 2337841 = 9934^2 + 1529^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-101022197 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101022497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50511098 + 50511099.

It is an arithmetic number, because the mean of its divisors is an integer number (50511099).

Almost surely, 2101022197 is an apocalyptic number.

It is an amenable number.

101022197 is a deficient number, since it is larger than the sum of its proper divisors (1).

101022197 is an equidigital number, since it uses as much as digits as its factorization.

101022197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 23.

The square root of 101022197 is about 10050.9799024772. The cubic root of 101022197 is about 465.7350643343.

Adding to 101022197 its reverse (791220101), we get a palindrome (892242298).

The spelling of 101022197 in words is "one hundred one million, twenty-two thousand, one hundred ninety-seven".