Base | Representation |
---|---|
bin | 10110110001001101… |
… | …11111000100000111 |
3 | 1011112220200012220010 |
4 | 23120212333010013 |
5 | 200013323024111 |
6 | 5340551241303 |
7 | 611631365160 |
oct | 133046770407 |
9 | 34486605803 |
10 | 12224033031 |
11 | 5203169a41 |
12 | 2451979233 |
13 | 11ca6b4b52 |
14 | 83d698767 |
15 | 4b8275aa6 |
hex | 2d89bf107 |
12224033031 has 32 divisors (see below), whose sum is σ = 19560895488. Its totient is φ = 6638860800.
The previous prime is 12224032969. The next prime is 12224033071. The reversal of 12224033031 is 13033042221.
It is not a de Polignac number, because 12224033031 - 211 = 12224030983 is a prime.
It is a super-2 number, since 2×122240330312 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a junction number, because it is equal to n+sod(n) for n = 12224032989 and 12224033007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12224033071) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4770 + ... + 156431.
It is an arithmetic number, because the mean of its divisors is an integer number (611277984).
Almost surely, 212224033031 is an apocalyptic number.
12224033031 is a deficient number, since it is larger than the sum of its proper divisors (7336862457).
12224033031 is a wasteful number, since it uses less digits than its factorization.
12224033031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 161391.
The product of its (nonzero) digits is 864, while the sum is 21.
Adding to 12224033031 its reverse (13033042221), we get a palindrome (25257075252).
The spelling of 12224033031 in words is "twelve billion, two hundred twenty-four million, thirty-three thousand, thirty-one".
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