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1223055079 is a prime number
BaseRepresentation
bin100100011100110…
…0101011011100111
310011020101122011021
41020321211123213
510001100230304
6321210152011
742210540151
oct11071453347
93136348137
101223055079
11578423424
122a1722607
1316650733c
14b8611ad1
1572591a54
hex48e656e7

1223055079 has 2 divisors, whose sum is σ = 1223055080. Its totient is φ = 1223055078.

The previous prime is 1223054993. The next prime is 1223055109. The reversal of 1223055079 is 9705503221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1223055079 - 223 = 1214666471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1223050079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611527539 + 611527540.

It is an arithmetic number, because the mean of its divisors is an integer number (611527540).

Almost surely, 21223055079 is an apocalyptic number.

1223055079 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223055079 is an equidigital number, since it uses as much as digits as its factorization.

1223055079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 1223055079 is about 34972.2043771908. The cubic root of 1223055079 is about 1069.4209109207.

The spelling of 1223055079 in words is "one billion, two hundred twenty-three million, fifty-five thousand, seventy-nine".