Base | Representation |
---|---|
bin | 111001000011000000… |
… | …0000010011101101001 |
3 | 102201012201222200000010 |
4 | 1302012000002131221 |
5 | 4001343323210241 |
6 | 132140135202133 |
7 | 11564562240603 |
oct | 1620600023551 |
9 | 381181880003 |
10 | 122507241321 |
11 | 47a56164693 |
12 | 1b8ab516349 |
13 | b72478080a |
14 | 5d02320173 |
15 | 32c0161d16 |
hex | 1c86002769 |
122507241321 has 24 divisors (see below), whose sum is σ = 173628157824. Its totient is φ = 76817870080.
The previous prime is 122507241119. The next prime is 122507241383. The reversal of 122507241321 is 123142705221.
It is not a de Polignac number, because 122507241321 - 213 = 122507233129 is a prime.
It is not an unprimeable number, because it can be changed into a prime (122507201321) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1327831 + ... + 1417091.
It is an arithmetic number, because the mean of its divisors is an integer number (7234506576).
Almost surely, 2122507241321 is an apocalyptic number.
It is an amenable number.
122507241321 is a deficient number, since it is larger than the sum of its proper divisors (51120916503).
122507241321 is a wasteful number, since it uses less digits than its factorization.
122507241321 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 90881 (or 90864 counting only the distinct ones).
The product of its (nonzero) digits is 6720, while the sum is 30.
Adding to 122507241321 its reverse (123142705221), we get a palindrome (245649946542).
The spelling of 122507241321 in words is "one hundred twenty-two billion, five hundred seven million, two hundred forty-one thousand, three hundred twenty-one".
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