Base | Representation |
---|---|
bin | 111000111010110001… |
… | …0010000110000111011 |
3 | 102200111111012011022122 |
4 | 1301311202100300323 |
5 | 4000312114000443 |
6 | 132052510311455 |
7 | 11554666233641 |
oct | 1616542206073 |
9 | 380444164278 |
10 | 122231000123 |
11 | 47924238581 |
12 | 1b832ab858b |
13 | b6ac480c9b |
14 | 5cb7773191 |
15 | 32a5c97968 |
hex | 1c75890c3b |
122231000123 has 4 divisors (see below), whose sum is σ = 122301942648. Its totient is φ = 122160057600.
The previous prime is 122231000113. The next prime is 122231000131. The reversal of 122231000123 is 321000132221.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 321000132221 = 38933 ⋅8244937.
It is a cyclic number.
It is not a de Polignac number, because 122231000123 - 232 = 117936032827 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (122231000113) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35468678 + ... + 35472123.
It is an arithmetic number, because the mean of its divisors is an integer number (30575485662).
Almost surely, 2122231000123 is an apocalyptic number.
122231000123 is a deficient number, since it is larger than the sum of its proper divisors (70942525).
122231000123 is an equidigital number, since it uses as much as digits as its factorization.
122231000123 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 70942524.
The product of its (nonzero) digits is 144, while the sum is 17.
Adding to 122231000123 its reverse (321000132221), we get a palindrome (443231132344).
The spelling of 122231000123 in words is "one hundred twenty-two billion, two hundred thirty-one million, one hundred twenty-three", and thus it is an aban number.
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