Base | Representation |
---|---|
bin | 1100101010101… |
… | …0000000000011 |
3 | 10200222000222011 |
4 | 3022222000003 |
5 | 102100000443 |
6 | 5134353351 |
7 | 1213361512 |
oct | 312520003 |
9 | 120860864 |
10 | 53125123 |
11 | 27a95767 |
12 | 1595b857 |
13 | b0109ac |
14 | 70ac679 |
15 | 49e5b9d |
hex | 32aa003 |
53125123 has 4 divisors (see below), whose sum is σ = 53451208. Its totient is φ = 52799040.
The previous prime is 53125117. The next prime is 53125139. The reversal of 53125123 is 32152135.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32152135 = 5 ⋅6430427.
It is a cyclic number.
It is not a de Polignac number, because 53125123 - 29 = 53124611 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 53125094 and 53125103.
It is not an unprimeable number, because it can be changed into a prime (53125223) 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, 162798 + ... + 163123.
It is an arithmetic number, because the mean of its divisors is an integer number (13362802).
Almost surely, 253125123 is an apocalyptic number.
53125123 is a deficient number, since it is larger than the sum of its proper divisors (326085).
53125123 is a wasteful number, since it uses less digits than its factorization.
53125123 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 326084.
The product of its digits is 900, while the sum is 22.
The square root of 53125123 is about 7288.6983062821. The cubic root of 53125123 is about 375.9239391756.
Adding to 53125123 its reverse (32152135), we get a palindrome (85277258).
The spelling of 53125123 in words is "fifty-three million, one hundred twenty-five thousand, one hundred twenty-three".
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