Base | Representation |
---|---|
bin | 10110101111111100… |
… | …01010000001101111 |
3 | 1011112011112110010201 |
4 | 23113332022001233 |
5 | 200003103030111 |
6 | 5335530014331 |
7 | 611441410120 |
oct | 132776120157 |
9 | 34464473121 |
10 | 12213330031 |
11 | 51a8119691 |
12 | 244a2773a7 |
13 | 11c8408306 |
14 | 83c0b0047 |
15 | 4b735e6c1 |
hex | 2d7f8a06f |
12213330031 has 8 divisors (see below), whose sum is σ = 14067998720. Its totient is φ = 10386138168.
The previous prime is 12213330023. The next prime is 12213330053. The reversal of 12213330031 is 13003331221.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12213330031 - 23 = 12213330023 is a prime.
It is a super-2 number, since 2×122133300312 (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 = 12213329990 and 12213330008.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12213330001) 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, 6868251 + ... + 6870028.
It is an arithmetic number, because the mean of its divisors is an integer number (1758499840).
Almost surely, 212213330031 is an apocalyptic number.
12213330031 is a deficient number, since it is larger than the sum of its proper divisors (1854668689).
12213330031 is a wasteful number, since it uses less digits than its factorization.
12213330031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13738413.
The product of its (nonzero) digits is 324, while the sum is 19.
Adding to 12213330031 its reverse (13003331221), we get a palindrome (25216661252).
The spelling of 12213330031 in words is "twelve billion, two hundred thirteen million, three hundred thirty thousand, thirty-one".
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