Base | Representation |
---|---|
bin | 10110110010001011… |
… | …11000100110100111 |
3 | 1011120110220202000010 |
4 | 23121011320212213 |
5 | 200022411224111 |
6 | 5341441021303 |
7 | 612060262266 |
oct | 133105704647 |
9 | 34513822003 |
10 | 12232133031 |
11 | 52077a1658 |
12 | 2454624833 |
13 | 11cc28c951 |
14 | 8407a65dd |
15 | 4b8d25aa6 |
hex | 2d91789a7 |
12232133031 has 16 divisors (see below), whose sum is σ = 16586045568. Its totient is φ = 8016636000.
The previous prime is 12232133009. The next prime is 12232133059. The reversal of 12232133031 is 13033123221.
It is not a de Polignac number, because 12232133031 - 219 = 12231608743 is a prime.
It is a super-2 number, since 2×122321330312 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 12232132989 and 12232133007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12232133071) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 331456 + ... + 366506.
It is an arithmetic number, because the mean of its divisors is an integer number (1036627848).
Almost surely, 212232133031 is an apocalyptic number.
12232133031 is a deficient number, since it is larger than the sum of its proper divisors (4353912537).
12232133031 is a wasteful number, since it uses less digits than its factorization.
12232133031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 37022.
The product of its (nonzero) digits is 648, while the sum is 21.
Adding to 12232133031 its reverse (13033123221), we get a palindrome (25265256252).
The spelling of 12232133031 in words is "twelve billion, two hundred thirty-two million, one hundred thirty-three thousand, thirty-one".
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