Search a number
-
+
2210102681 is a prime number
BaseRepresentation
bin1000001110111011…
…0111110110011001
312201000200211220212
42003232313312121
514011241241211
61003150100505
7105524364023
oct20356676631
95630624825
102210102681
11a345aa946
125181aa735
13292b5ab87
1416d74b013
15ce06538b
hex83bb7d99

2210102681 has 2 divisors, whose sum is σ = 2210102682. Its totient is φ = 2210102680.

The previous prime is 2210102677. The next prime is 2210102701. The reversal of 2210102681 is 1862010122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2119681600 + 90421081 = 46040^2 + 9509^2 .

It is a cyclic number.

It is not a de Polignac number, because 2210102681 - 22 = 2210102677 is a prime.

It is a super-2 number, since 2×22101026812 = 9769107721126775522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2210102281) 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, 1105051340 + 1105051341.

It is an arithmetic number, because the mean of its divisors is an integer number (1105051341).

Almost surely, 22210102681 is an apocalyptic number.

It is an amenable number.

2210102681 is a deficient number, since it is larger than the sum of its proper divisors (1).

2210102681 is an equidigital number, since it uses as much as digits as its factorization.

2210102681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 2210102681 is about 47011.7291853852. The cubic root of 2210102681 is about 1302.5792345726.

The spelling of 2210102681 in words is "two billion, two hundred ten million, one hundred two thousand, six hundred eighty-one".