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22012008017647 is a prime number
BaseRepresentation
bin1010000000101000100011…
…11010110010111011101111
32212221022211200111212010011
411000110101322302323233
510341121043023031042
6114452102112354051
74431213036005524
oct500242172627357
985838750455104
1022012008017647
11701727074624a
1225760a8b45927
13c3895355909b
1456155b81514b
152828b2169a17
hex140511eb2eef

22012008017647 has 2 divisors, whose sum is σ = 22012008017648. Its totient is φ = 22012008017646.

The previous prime is 22012008017621. The next prime is 22012008017689. The reversal of 22012008017647 is 74671080021022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22012008017647 - 227 = 22011873799919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22012008017617) 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, 11006004008823 + 11006004008824.

It is an arithmetic number, because the mean of its divisors is an integer number (11006004008824).

Almost surely, 222012008017647 is an apocalyptic number.

22012008017647 is a deficient number, since it is larger than the sum of its proper divisors (1).

22012008017647 is an equidigital number, since it uses as much as digits as its factorization.

22012008017647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75264, while the sum is 40.

Adding to 22012008017647 its reverse (74671080021022), we get a palindrome (96683088038669).

The spelling of 22012008017647 in words is "twenty-two trillion, twelve billion, eight million, seventeen thousand, six hundred forty-seven".