Base | Representation |
---|---|
bin | 11001001101000010… |
… | …00100100010010101 |
3 | 1021221000011101010221 |
4 | 30212201010202111 |
5 | 210202430333204 |
6 | 10114402314341 |
7 | 656212332652 |
oct | 144641044225 |
9 | 37830141127 |
10 | 13531105429 |
11 | 5813a57866 |
12 | 27576589b1 |
13 | 1378427c7a |
14 | 9250dac29 |
15 | 542db1654 |
hex | 326844895 |
13531105429 has 8 divisors (see below), whose sum is σ = 13570920792. Its totient is φ = 13491348480.
The previous prime is 13531105421. The next prime is 13531105451. The reversal of 13531105429 is 92450113531.
It can be written as a sum of positive squares in 4 ways, for example, as 5880625 + 13525224804 = 2425^2 + 116298^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 13531105429 - 23 = 13531105421 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 13531105394 and 13531105403.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13531105421) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 472957 + ... + 500749.
It is an arithmetic number, because the mean of its divisors is an integer number (1696365099).
Almost surely, 213531105429 is an apocalyptic number.
It is an amenable number.
13531105429 is a deficient number, since it is larger than the sum of its proper divisors (39815363).
13531105429 is an equidigital number, since it uses as much as digits as its factorization.
13531105429 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29207.
The product of its (nonzero) digits is 16200, while the sum is 34.
The spelling of 13531105429 in words is "thirteen billion, five hundred thirty-one million, one hundred five thousand, four hundred twenty-nine".
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