Base | Representation |
---|---|
bin | 110001011010… |
… | …100010101001 |
3 | 220101010020020 |
4 | 301122202221 |
5 | 11304010034 |
6 | 1141351053 |
7 | 215051043 |
oct | 61324251 |
9 | 26333206 |
10 | 12953769 |
11 | 73483a4 |
12 | 4408489 |
13 | 28b716a |
14 | 1a12a93 |
15 | 120d249 |
hex | c5a8a9 |
12953769 has 4 divisors (see below), whose sum is σ = 17271696. Its totient is φ = 8635844.
The previous prime is 12953729. The next prime is 12953771. The reversal of 12953769 is 96735921.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 12953769 - 28 = 12953513 is a prime.
It is a super-2 number, since 2×129537692 = 335600262610722, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 12953769.
It is not an unprimeable number, because it can be changed into a prime (12953719) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2158959 + ... + 2158964.
It is an arithmetic number, because the mean of its divisors is an integer number (4317924).
Almost surely, 212953769 is an apocalyptic number.
It is an amenable number.
12953769 is a deficient number, since it is larger than the sum of its proper divisors (4317927).
12953769 is an equidigital number, since it uses as much as digits as its factorization.
12953769 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4317926.
The product of its digits is 102060, while the sum is 42.
The square root of 12953769 is about 3599.1344792880. The cubic root of 12953769 is about 234.8544080833.
The spelling of 12953769 in words is "twelve million, nine hundred fifty-three thousand, seven hundred sixty-nine".
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