Base | Representation |
---|---|
bin | 11000101000001110… |
… | …01011111010101111 |
3 | 1021010111010221221002 |
4 | 30110013023322233 |
5 | 204034404030111 |
6 | 10024012230515 |
7 | 645442644101 |
oct | 142407137257 |
9 | 37114127832 |
10 | 13222330031 |
11 | 567572a289 |
12 | 269016b43b |
13 | 1329476b31 |
14 | 8d60c1571 |
15 | 525c1c63b |
hex | 3141cbeaf |
13222330031 has 4 divisors (see below), whose sum is σ = 13226443392. Its totient is φ = 13218216672.
The previous prime is 13222330013. The next prime is 13222330081. The reversal of 13222330031 is 13003322231.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 13222330031 - 214 = 13222313647 is a prime.
It is a super-2 number, since 2×132223300312 (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 = 13222329985 and 13222330012.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13222330081) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2051855 + ... + 2058288.
It is an arithmetic number, because the mean of its divisors is an integer number (3306610848).
Almost surely, 213222330031 is an apocalyptic number.
13222330031 is a deficient number, since it is larger than the sum of its proper divisors (4113361).
13222330031 is an equidigital number, since it uses as much as digits as its factorization.
13222330031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4113360.
The product of its (nonzero) digits is 648, while the sum is 20.
Adding to 13222330031 its reverse (13003322231), we get a palindrome (26225652262).
The spelling of 13222330031 in words is "thirteen billion, two hundred twenty-two million, three hundred thirty thousand, thirty-one".
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