Base | Representation |
---|---|
bin | 1110101010110… |
… | …11010100110111 |
3 | 22120112222002211 |
4 | 13111123110313 |
5 | 223000314323 |
6 | 20113314251 |
7 | 3022654054 |
oct | 725332467 |
9 | 276488084 |
10 | 123057463 |
11 | 6350a991 |
12 | 35265987 |
13 | 1c657789 |
14 | 124b402b |
15 | ac0b70d |
hex | 755b537 |
123057463 has 4 divisors (see below), whose sum is σ = 123082200. Its totient is φ = 123032728.
The previous prime is 123057397. The next prime is 123057479. The reversal of 123057463 is 364750321.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 364750321 = 13 ⋅28057717.
It is a cyclic number.
It is not a de Polignac number, because 123057463 - 213 = 123049271 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 (123057563) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2020 + ... + 15817.
It is an arithmetic number, because the mean of its divisors is an integer number (30770550).
Almost surely, 2123057463 is an apocalyptic number.
123057463 is a deficient number, since it is larger than the sum of its proper divisors (24737).
123057463 is an equidigital number, since it uses as much as digits as its factorization.
123057463 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24736.
The product of its (nonzero) digits is 15120, while the sum is 31.
The square root of 123057463 is about 11093.1268360188. The cubic root of 123057463 is about 497.3964169085.
The spelling of 123057463 in words is "one hundred twenty-three million, fifty-seven thousand, four hundred sixty-three".
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