Base | Representation |
---|---|
bin | 1110011000011… |
… | …01101010101111 |
3 | 22102000021000111 |
4 | 13030031222233 |
5 | 221341022343 |
6 | 15545440451 |
7 | 2663304412 |
oct | 714155257 |
9 | 272007014 |
10 | 120642223 |
11 | 62110319 |
12 | 344a0127 |
13 | 1bcc0340 |
14 | 12045b79 |
15 | a8d0c9d |
hex | 730daaf |
120642223 has 8 divisors (see below), whose sum is σ = 130916016. Its totient is φ = 110510400.
The previous prime is 120642167. The next prime is 120642227. The reversal of 120642223 is 322246021.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 120642223 - 221 = 118545071 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 120642194 and 120642203.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120642227) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33718 + ... + 37123.
It is an arithmetic number, because the mean of its divisors is an integer number (16364502).
Almost surely, 2120642223 is an apocalyptic number.
120642223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
120642223 is a deficient number, since it is larger than the sum of its proper divisors (10273793).
120642223 is a wasteful number, since it uses less digits than its factorization.
120642223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 70985.
The product of its (nonzero) digits is 1152, while the sum is 22.
The square root of 120642223 is about 10983.7253698370. The cubic root of 120642223 is about 494.1207709550.
Adding to 120642223 its reverse (322246021), we get a palindrome (442888244).
The spelling of 120642223 in words is "one hundred twenty million, six hundred forty-two thousand, two hundred twenty-three".
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