Base | Representation |
---|---|
bin | 111100011001111… |
… | …110110110101101 |
3 | 2121121222021211110 |
4 | 330121332312231 |
5 | 4033420202023 |
6 | 244321342233 |
7 | 34054063161 |
oct | 7431766655 |
9 | 2547867743 |
10 | 1013444013 |
11 | 48007653a |
12 | 243497979 |
13 | 131c6651a |
14 | 9884aca1 |
15 | 5de89a93 |
hex | 3c67edad |
1013444013 has 8 divisors (see below), whose sum is σ = 1351472800. Its totient is φ = 675522288.
The previous prime is 1013443993. The next prime is 1013444039. The reversal of 1013444013 is 3104443101.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1013444013 - 214 = 1013427629 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1013444053) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1183 + ... + 45036.
It is an arithmetic number, because the mean of its divisors is an integer number (168934100).
Almost surely, 21013444013 is an apocalyptic number.
It is an amenable number.
1013444013 is a deficient number, since it is larger than the sum of its proper divisors (338028787).
1013444013 is an equidigital number, since it uses as much as digits as its factorization.
1013444013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 53531.
The product of its (nonzero) digits is 576, while the sum is 21.
The square root of 1013444013 is about 31834.6354306124. The cubic root of 1013444013 is about 1004.4614039414.
Adding to 1013444013 its reverse (3104443101), we get a palindrome (4117887114).
The spelling of 1013444013 in words is "one billion, thirteen million, four hundred forty-four thousand, thirteen".
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