Base | Representation |
---|---|
bin | 10110111100111001… |
… | …10001111010100111 |
3 | 1011210202001112011022 |
4 | 23132130301322213 |
5 | 200213414133111 |
6 | 5354411401355 |
7 | 614231310365 |
oct | 133634617247 |
9 | 34722045138 |
10 | 12322021031 |
11 | 5253506861 |
12 | 247a75325b |
13 | 1214aa2908 |
14 | 84c6c4635 |
15 | 4c1b7e2db |
hex | 2de731ea7 |
12322021031 has 2 divisors, whose sum is σ = 12322021032. Its totient is φ = 12322021030.
The previous prime is 12322021007. The next prime is 12322021051. The reversal of 12322021031 is 13012022321.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 12322021031 - 214 = 12322004647 is a prime.
It is a super-2 number, since 2×123220210312 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12322021051) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6161010515 + 6161010516.
It is an arithmetic number, because the mean of its divisors is an integer number (6161010516).
Almost surely, 212322021031 is an apocalyptic number.
12322021031 is a deficient number, since it is larger than the sum of its proper divisors (1).
12322021031 is an equidigital number, since it uses as much as digits as its factorization.
12322021031 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 144, while the sum is 17.
Adding to 12322021031 its reverse (13012022321), we get a palindrome (25334043352).
The spelling of 12322021031 in words is "twelve billion, three hundred twenty-two million, twenty-one thousand, thirty-one".
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