Base | Representation |
---|---|
bin | 111001000000011011… |
… | …1110110110001111001 |
3 | 102200222202002211112112 |
4 | 1302000313312301321 |
5 | 4001204312211413 |
6 | 132123423222105 |
7 | 11562466055240 |
oct | 1620067666171 |
9 | 380882084475 |
10 | 122421210233 |
11 | 47a11644213 |
12 | 1b886747935 |
13 | b70c9bb24a |
14 | 5cd4b27957 |
15 | 32b781b2a8 |
hex | 1c80df6c79 |
122421210233 has 4 divisors (see below), whose sum is σ = 139909954560. Its totient is φ = 104932465908.
The previous prime is 122421210157. The next prime is 122421210259. The reversal of 122421210233 is 332012124221.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 122421210233 - 232 = 118126242937 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 122421210199 and 122421210208.
It is not an unprimeable number, because it can be changed into a prime (122421210433) 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, 8744372153 + ... + 8744372166.
It is an arithmetic number, because the mean of its divisors is an integer number (34977488640).
Almost surely, 2122421210233 is an apocalyptic number.
It is an amenable number.
122421210233 is a deficient number, since it is larger than the sum of its proper divisors (17488744327).
122421210233 is an equidigital number, since it uses as much as digits as its factorization.
122421210233 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17488744326.
The product of its (nonzero) digits is 1152, while the sum is 23.
Adding to 122421210233 its reverse (332012124221), we get a palindrome (454433334454).
The spelling of 122421210233 in words is "one hundred twenty-two billion, four hundred twenty-one million, two hundred ten thousand, two hundred thirty-three".
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