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228719417249 is a prime number
BaseRepresentation
bin1101010100000010111…
…1010101011110100001
3210212100211221020120202
43111000233111132201
512221404132322444
6253023334514545
722344610653311
oct3250057253641
9725324836522
10228719417249
1188aaa16a484
12383b1805a55
13187502b73ab
14b0da421441
155e3994634e
hex3540bd57a1

228719417249 has 2 divisors, whose sum is σ = 228719417250. Its totient is φ = 228719417248.

The previous prime is 228719417233. The next prime is 228719417281. The reversal of 228719417249 is 942714917822.

228719417249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 126042750625 + 102676666624 = 355025^2 + 320432^2 .

It is a cyclic number.

It is not a de Polignac number, because 228719417249 - 24 = 228719417233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 228719417194 and 228719417203.

It is not a weakly prime, because it can be changed into another prime (228719417299) 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, 114359708624 + 114359708625.

It is an arithmetic number, because the mean of its divisors is an integer number (114359708625).

Almost surely, 2228719417249 is an apocalyptic number.

It is an amenable number.

228719417249 is a deficient number, since it is larger than the sum of its proper divisors (1).

228719417249 is an equidigital number, since it uses as much as digits as its factorization.

228719417249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4064256, while the sum is 56.

The spelling of 228719417249 in words is "two hundred twenty-eight billion, seven hundred nineteen million, four hundred seventeen thousand, two hundred forty-nine".