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243122050109 is a prime number
BaseRepresentation
bin1110001001101100110…
…1000001010000111101
3212020112121000210121102
43202123031001100331
512440403221100414
6303404433142445
723364535220501
oct3423315012075
9766477023542
10243122050109
1194120071744
123b1510baa25
1319c0714a063
14baa5186301
1564ce0acede
hex389b34143d

243122050109 has 2 divisors, whose sum is σ = 243122050110. Its totient is φ = 243122050108.

The previous prime is 243122050097. The next prime is 243122050147. The reversal of 243122050109 is 901050221342.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 218472108100 + 24649942009 = 467410^2 + 157003^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-243122050109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243122050169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121561025054 + 121561025055.

It is an arithmetic number, because the mean of its divisors is an integer number (121561025055).

Almost surely, 2243122050109 is an apocalyptic number.

It is an amenable number.

243122050109 is a deficient number, since it is larger than the sum of its proper divisors (1).

243122050109 is an equidigital number, since it uses as much as digits as its factorization.

243122050109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 29.

The spelling of 243122050109 in words is "two hundred forty-three billion, one hundred twenty-two million, fifty thousand, one hundred nine".