Base | Representation |
---|---|
bin | 110001011010… |
… | …100010001111 |
3 | 220101010012021 |
4 | 301122202033 |
5 | 11304004433 |
6 | 1141351011 |
7 | 215051005 |
oct | 61324217 |
9 | 26333167 |
10 | 12953743 |
11 | 7348380 |
12 | 4408467 |
13 | 28b714a |
14 | 1a12a75 |
15 | 120d22d |
hex | c5a88f |
12953743 has 4 divisors (see below), whose sum is σ = 14131368. Its totient is φ = 11776120.
The previous prime is 12953729. The next prime is 12953771. The reversal of 12953743 is 34735921.
12953743 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34735921 = 11 ⋅3157811.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-12953743 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 12953699 and 12953708.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12953723) 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, 588796 + ... + 588817.
It is an arithmetic number, because the mean of its divisors is an integer number (3532842).
Almost surely, 212953743 is an apocalyptic number.
12953743 is a deficient number, since it is larger than the sum of its proper divisors (1177625).
12953743 is a wasteful number, since it uses less digits than its factorization.
12953743 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1177624.
The product of its digits is 22680, while the sum is 34.
The square root of 12953743 is about 3599.1308673067. The cubic root of 12953743 is about 234.8542509548.
The spelling of 12953743 in words is "twelve million, nine hundred fifty-three thousand, seven hundred forty-three".
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