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243122049967 is a prime number
BaseRepresentation
bin1110001001101100110…
…1000001001110101111
3212020112121000210102011
43202123031001032233
512440403221044332
6303404433142051
723364535220206
oct3423315011657
9766477023364
10243122049967
1194120071625
123b1510ba927
1319c07149c84
14baa518623d
1564ce0ace47
hex389b3413af

243122049967 has 2 divisors, whose sum is σ = 243122049968. Its totient is φ = 243122049966.

The previous prime is 243122049943. The next prime is 243122049979. The reversal of 243122049967 is 769940221342.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 243122049967 - 231 = 240974566319 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 243122049967.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243122049767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121561024983 + 121561024984.

It is an arithmetic number, because the mean of its divisors is an integer number (121561024984).

Almost surely, 2243122049967 is an apocalyptic number.

243122049967 is a deficient number, since it is larger than the sum of its proper divisors (1).

243122049967 is an equidigital number, since it uses as much as digits as its factorization.

243122049967 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1306368, while the sum is 49.

The spelling of 243122049967 in words is "two hundred forty-three billion, one hundred twenty-two million, forty-nine thousand, nine hundred sixty-seven".