Base | Representation |
---|---|
bin | 1110010100100… |
… | …01010011010111 |
3 | 22101001101020211 |
4 | 13022101103113 |
5 | 221223222243 |
6 | 15530510251 |
7 | 2656053316 |
oct | 712212327 |
9 | 271041224 |
10 | 120132823 |
11 | 618a2628 |
12 | 34295387 |
13 | 1bb72515 |
14 | 11d5227d |
15 | a82ed9d |
hex | 72914d7 |
120132823 has 4 divisors (see below), whose sum is σ = 121482720. Its totient is φ = 118782928.
The previous prime is 120132797. The next prime is 120132827. The reversal of 120132823 is 328231021.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 328231021 = 89 ⋅3687989.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-120132823 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 120132794 and 120132803.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120132827) 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, 674815 + ... + 674992.
It is an arithmetic number, because the mean of its divisors is an integer number (30370680).
Almost surely, 2120132823 is an apocalyptic number.
120132823 is a deficient number, since it is larger than the sum of its proper divisors (1349897).
120132823 is an equidigital number, since it uses as much as digits as its factorization.
120132823 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1349896.
The product of its (nonzero) digits is 576, while the sum is 22.
The square root of 120132823 is about 10960.5119862167. The cubic root of 120132823 is about 493.4243309232.
Adding to 120132823 its reverse (328231021), we get a palindrome (448363844).
The spelling of 120132823 in words is "one hundred twenty million, one hundred thirty-two thousand, eight hundred twenty-three".
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