Base | Representation |
---|---|
bin | 1110011010100… |
… | …01101101011011 |
3 | 22102112102022201 |
4 | 13031101231123 |
5 | 221423432143 |
6 | 15555431031 |
7 | 2665545064 |
oct | 715215533 |
9 | 272472281 |
10 | 120920923 |
11 | 62290752 |
12 | 345b5477 |
13 | 1c08a156 |
14 | 120b956b |
15 | a93864d |
hex | 7351b5b |
120920923 has 8 divisors (see below), whose sum is σ = 126806400. Its totient is φ = 115149888.
The previous prime is 120920903. The next prime is 120920927. The reversal of 120920923 is 329029021.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-120920923 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 120920891 and 120920900.
It is not an unprimeable number, because it can be changed into a prime (120920927) 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, 26443 + ... + 30676.
It is an arithmetic number, because the mean of its divisors is an integer number (15850800).
Almost surely, 2120920923 is an apocalyptic number.
120920923 is a deficient number, since it is larger than the sum of its proper divisors (5885477).
120920923 is an equidigital number, since it uses as much as digits as its factorization.
120920923 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 57221.
The product of its (nonzero) digits is 1944, while the sum is 28.
The square root of 120920923 is about 10996.4050034545. The cubic root of 120920923 is about 494.5009738040.
Adding to 120920923 its reverse (329029021), we get a palindrome (449949944).
The spelling of 120920923 in words is "one hundred twenty million, nine hundred twenty thousand, nine hundred twenty-three".
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