Search a number
-
+
2210330257 is a prime number
BaseRepresentation
bin1000001110111110…
…1111011010010001
312201001010102002121
42003233233122101
514011321032012
61003155014241
7105526332352
oct20357573221
95631112077
102210330257
11a34745923
1251829a381
13292c0a635
1416d7a9d29
15ce0aca07
hex83bef691

2210330257 has 2 divisors, whose sum is σ = 2210330258. Its totient is φ = 2210330256.

The previous prime is 2210330183. The next prime is 2210330261. The reversal of 2210330257 is 7520330122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1195015761 + 1015314496 = 34569^2 + 31864^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2210330257 is a prime.

It is not a weakly prime, because it can be changed into another prime (2210330357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105165128 + 1105165129.

It is an arithmetic number, because the mean of its divisors is an integer number (1105165129).

Almost surely, 22210330257 is an apocalyptic number.

It is an amenable number.

2210330257 is a deficient number, since it is larger than the sum of its proper divisors (1).

2210330257 is an equidigital number, since it uses as much as digits as its factorization.

2210330257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 2210330257 is about 47014.1495403246. The cubic root of 2210330257 is about 1302.6239422386.

Adding to 2210330257 its reverse (7520330122), we get a palindrome (9730660379).

The spelling of 2210330257 in words is "two billion, two hundred ten million, three hundred thirty thousand, two hundred fifty-seven".