Base | Representation |
---|---|
bin | 10110101111110100… |
… | …10100001011001111 |
3 | 1011112002122021210010 |
4 | 23113322110023033 |
5 | 200002323314043 |
6 | 5335452244303 |
7 | 611430014205 |
oct | 132772241317 |
9 | 34462567703 |
10 | 12212323023 |
11 | 51a75a104a |
12 | 2449a70693 |
13 | 11c8144b54 |
14 | 83bccb075 |
15 | 4b7211133 |
hex | 2d7e942cf |
12212323023 has 16 divisors (see below), whose sum is σ = 16857907200. Its totient is φ = 7854588000.
The previous prime is 12212323007. The next prime is 12212323027. The reversal of 12212323023 is 32032321221.
It is a happy number.
It is not a de Polignac number, because 12212323023 - 24 = 12212323007 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12212323027) 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, 56398 + ... + 166148.
It is an arithmetic number, because the mean of its divisors is an integer number (1053619200).
Almost surely, 212212323023 is an apocalyptic number.
12212323023 is a deficient number, since it is larger than the sum of its proper divisors (4645584177).
12212323023 is a wasteful number, since it uses less digits than its factorization.
12212323023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 111062.
The product of its (nonzero) digits is 864, while the sum is 21.
Adding to 12212323023 its reverse (32032321221), we get a palindrome (44244644244).
The spelling of 12212323023 in words is "twelve billion, two hundred twelve million, three hundred twenty-three thousand, twenty-three".
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