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1228200263 is a prime number
BaseRepresentation
bin100100100110100…
…1101100101000111
310011121002001000122
41021031031211013
510003404402023
6321512332155
742302346533
oct11115154507
93147061018
101228200263
11580318044
122a33a405b
131675b9224
14b9190bc3
1572c5b2c8
hex4934d947

1228200263 has 2 divisors, whose sum is σ = 1228200264. Its totient is φ = 1228200262.

The previous prime is 1228200251. The next prime is 1228200283. The reversal of 1228200263 is 3620028221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1228200263 - 220 = 1227151687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1228200283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 614100131 + 614100132.

It is an arithmetic number, because the mean of its divisors is an integer number (614100132).

Almost surely, 21228200263 is an apocalyptic number.

1228200263 is a deficient number, since it is larger than the sum of its proper divisors (1).

1228200263 is an equidigital number, since it uses as much as digits as its factorization.

1228200263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 1228200263 is about 35045.6882226616. The cubic root of 1228200263 is about 1070.9184366923.

Adding to 1228200263 its reverse (3620028221), we get a palindrome (4848228484).

The spelling of 1228200263 in words is "one billion, two hundred twenty-eight million, two hundred thousand, two hundred sixty-three".