Base | Representation |
---|---|
bin | 1110101011010… |
… | …10100110110101 |
3 | 22120200010221222 |
4 | 13111222212311 |
5 | 223004320203 |
6 | 20114520125 |
7 | 3023334410 |
oct | 725524665 |
9 | 276603858 |
10 | 123120053 |
11 | 63552a11 |
12 | 35296045 |
13 | 1c67a104 |
14 | 124ccb77 |
15 | ac20038 |
hex | 756a9b5 |
123120053 has 8 divisors (see below), whose sum is σ = 144511872. Its totient is φ = 102679056.
The previous prime is 123120047. The next prime is 123120061. The reversal of 123120053 is 350021321.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 123120053 - 212 = 123115957 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (123120013) 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, 237425 + ... + 237942.
It is an arithmetic number, because the mean of its divisors is an integer number (18063984).
Almost surely, 2123120053 is an apocalyptic number.
It is an amenable number.
123120053 is a deficient number, since it is larger than the sum of its proper divisors (21391819).
123120053 is an equidigital number, since it uses as much as digits as its factorization.
123120053 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 475411.
The product of its (nonzero) digits is 180, while the sum is 17.
The square root of 123120053 is about 11095.9475936037. The cubic root of 123120053 is about 497.4807318952.
Adding to 123120053 its reverse (350021321), we get a palindrome (473141374).
The spelling of 123120053 in words is "one hundred twenty-three million, one hundred twenty thousand, fifty-three".
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