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220012102997 is a prime number
BaseRepresentation
bin1100110011100110111…
…1100100010101010101
3210000220000120211221022
43030321233210111111
512101041044243442
6245023330530525
721616051006421
oct3147157442525
9700800524838
10220012102997
11853411073a5
1236781736a45
131799337393b
14a911c37b81
155aca2d13d2
hex3339be4555

220012102997 has 2 divisors, whose sum is σ = 220012102998. Its totient is φ = 220012102996.

The previous prime is 220012102979. The next prime is 220012103039. The reversal of 220012102997 is 799201210022.

Together with previous prime (220012102979) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 190038452356 + 29973650641 = 435934^2 + 173129^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-220012102997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220012101997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110006051498 + 110006051499.

It is an arithmetic number, because the mean of its divisors is an integer number (110006051499).

Almost surely, 2220012102997 is an apocalyptic number.

It is an amenable number.

220012102997 is a deficient number, since it is larger than the sum of its proper divisors (1).

220012102997 is an equidigital number, since it uses as much as digits as its factorization.

220012102997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 35.

The spelling of 220012102997 in words is "two hundred twenty billion, twelve million, one hundred two thousand, nine hundred ninety-seven".