Base | Representation |
---|---|
bin | 11001011000111000… |
… | …01101001100011101 |
3 | 1022011221011210220110 |
4 | 30230130031030131 |
5 | 210403401242334 |
6 | 10132312440233 |
7 | 661530166005 |
oct | 145434151435 |
9 | 38157153813 |
10 | 13630493469 |
11 | 586507053a |
12 | 27849a9079 |
13 | 1392bb6068 |
14 | 9343ad005 |
15 | 54b994ae9 |
hex | 32c70d31d |
13630493469 has 4 divisors (see below), whose sum is σ = 18173991296. Its totient is φ = 9086995644.
The previous prime is 13630493431. The next prime is 13630493489. The reversal of 13630493469 is 96439403631.
13630493469 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 a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 96439403631 = 3 ⋅32146467877.
It is not a de Polignac number, because 13630493469 - 28 = 13630493213 is a prime.
It is a super-2 number, since 2×136304934692 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13630493489) 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, 2271748909 + ... + 2271748914.
It is an arithmetic number, because the mean of its divisors is an integer number (4543497824).
Almost surely, 213630493469 is an apocalyptic number.
It is an amenable number.
13630493469 is a deficient number, since it is larger than the sum of its proper divisors (4543497827).
13630493469 is an equidigital number, since it uses as much as digits as its factorization.
13630493469 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4543497826.
The product of its (nonzero) digits is 1259712, while the sum is 48.
The spelling of 13630493469 in words is "thirteen billion, six hundred thirty million, four hundred ninety-three thousand, four hundred sixty-nine".
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