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2255311249 is a prime number
BaseRepresentation
bin1000011001101101…
…0101000110010001
312211011202200102021
42012123111012101
514104324424444
61011443051441
7106613554312
oct20633250621
95734680367
102255311249
11a580787a4
1252b370b81
1329c3293c9
14175758609
15d2ee5584
hex866d5191

2255311249 has 2 divisors, whose sum is σ = 2255311250. Its totient is φ = 2255311248.

The previous prime is 2255311211. The next prime is 2255311271. The reversal of 2255311249 is 9421135522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1373221249 + 882090000 = 37057^2 + 29700^2 .

It is a cyclic number.

It is not a de Polignac number, because 2255311249 - 211 = 2255309201 is a prime.

It is not a weakly prime, because it can be changed into another prime (2255311549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1127655624 + 1127655625.

It is an arithmetic number, because the mean of its divisors is an integer number (1127655625).

Almost surely, 22255311249 is an apocalyptic number.

It is an amenable number.

2255311249 is a deficient number, since it is larger than the sum of its proper divisors (1).

2255311249 is an equidigital number, since it uses as much as digits as its factorization.

2255311249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21600, while the sum is 34.

The square root of 2255311249 is about 47490.1173824618. The cubic root of 2255311249 is about 1311.4009542851.

The spelling of 2255311249 in words is "two billion, two hundred fifty-five million, three hundred eleven thousand, two hundred forty-nine".