Base | Representation |
---|---|
bin | 111001000100000100… |
… | …0111001111101001111 |
3 | 102201022020111111120202 |
4 | 1302020020321331033 |
5 | 4001432014321312 |
6 | 132143500204115 |
7 | 11565506223014 |
oct | 1621010717517 |
9 | 381266444522 |
10 | 122543120207 |
11 | 47a7443aa62 |
12 | 1b8bb53963b |
13 | b72c033621 |
14 | 5d06dbd70b |
15 | 32c339c9c2 |
hex | 1c88239f4f |
122543120207 has 2 divisors, whose sum is σ = 122543120208. Its totient is φ = 122543120206.
The previous prime is 122543120201. The next prime is 122543120221. The reversal of 122543120207 is 702021345221.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 122543120207 - 24 = 122543120191 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 122543120207.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (122543120201) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61271560103 + 61271560104.
It is an arithmetic number, because the mean of its divisors is an integer number (61271560104).
Almost surely, 2122543120207 is an apocalyptic number.
122543120207 is a deficient number, since it is larger than the sum of its proper divisors (1).
122543120207 is an equidigital number, since it uses as much as digits as its factorization.
122543120207 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 6720, while the sum is 29.
Adding to 122543120207 its reverse (702021345221), we get a palindrome (824564465428).
The spelling of 122543120207 in words is "one hundred twenty-two billion, five hundred forty-three million, one hundred twenty thousand, two hundred seven".
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