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290022947549 is a prime number
BaseRepresentation
bin1000011100001101011…
…01101111101011011101
31000201121012100020201222
410032012231233223131
514222431333310144
6341122410143125
726645016244016
oct4160655575335
91021535306658
10290022947549
11101aa8436105
1248260121aa5
132146cb1738a
141007407400d
1578268352ee
hex4386b6fadd

290022947549 has 2 divisors, whose sum is σ = 290022947550. Its totient is φ = 290022947548.

The previous prime is 290022947519. The next prime is 290022947551. The reversal of 290022947549 is 945749220092.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 287410715449 + 2612232100 = 536107^2 + 51110^2 .

It is a cyclic number.

It is not a de Polignac number, because 290022947549 - 212 = 290022943453 is a prime.

It is a super-2 number, since 2×2900229475492 (a number of 24 digits) contains 22 as substring.

Together with 290022947551, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 290022947549.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (290022947509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 145011473774 + 145011473775.

It is an arithmetic number, because the mean of its divisors is an integer number (145011473775).

Almost surely, 2290022947549 is an apocalyptic number.

It is an amenable number.

290022947549 is a deficient number, since it is larger than the sum of its proper divisors (1).

290022947549 is an equidigital number, since it uses as much as digits as its factorization.

290022947549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3265920, while the sum is 53.

The spelling of 290022947549 in words is "two hundred ninety billion, twenty-two million, nine hundred forty-seven thousand, five hundred forty-nine".