Base | Representation |
---|---|
bin | 11000011011001110… |
… | …10011101101001111 |
3 | 1020211220000011121022 |
4 | 30031213103231033 |
5 | 203324001410111 |
6 | 10005115424355 |
7 | 642650203403 |
oct | 141547235517 |
9 | 36756004538 |
10 | 13113310031 |
11 | 561a137a08 |
12 | 265b7550bb |
13 | 130c9c5863 |
14 | 8c5823103 |
15 | 51b3852db |
hex | 30d9d3b4f |
13113310031 has 8 divisors (see below), whose sum is σ = 13565320704. Its totient is φ = 12663111960.
The previous prime is 13113310003. The next prime is 13113310033. The reversal of 13113310031 is 13001331131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-13113310031 is a prime.
It is a super-2 number, since 2×131133100312 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 13113309991 and 13113310009.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13113310033) 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, 438425 + ... + 467378.
It is an arithmetic number, because the mean of its divisors is an integer number (1695665088).
Almost surely, 213113310031 is an apocalyptic number.
13113310031 is a deficient number, since it is larger than the sum of its proper divisors (452010673).
13113310031 is an equidigital number, since it uses as much as digits as its factorization.
13113310031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 906301.
The product of its (nonzero) digits is 81, while the sum is 17.
Adding to 13113310031 its reverse (13001331131), we get a palindrome (26114641162).
The spelling of 13113310031 in words is "thirteen billion, one hundred thirteen million, three hundred ten thousand, thirty-one".
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