Base | Representation |
---|---|
bin | 1011000111011000101110… |
… | …0110101010110101001101 |
3 | 1121021100220000210201210201 |
4 | 2301312023212222311031 |
5 | 3100214140134031203 |
6 | 41554253552533501 |
7 | 2400655522016353 |
oct | 261661346526515 |
9 | 47240800721721 |
10 | 12221524127053 |
11 | 399213483425a |
12 | 1454743851291 |
13 | 6a863c0a56c7 |
14 | 30374c5697d3 |
15 | 162d9ad23e1d |
hex | b1d8b9aad4d |
12221524127053 has 2 divisors, whose sum is σ = 12221524127054. Its totient is φ = 12221524127052.
The previous prime is 12221524127039. The next prime is 12221524127063. The reversal of 12221524127053 is 35072142512221.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 7976659192804 + 4244864934249 = 2824298^2 + 2060307^2 .
It is a cyclic number.
It is not a de Polignac number, because 12221524127053 - 221 = 12221522029901 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12221524127063) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6110762063526 + 6110762063527.
It is an arithmetic number, because the mean of its divisors is an integer number (6110762063527).
Almost surely, 212221524127053 is an apocalyptic number.
It is an amenable number.
12221524127053 is a deficient number, since it is larger than the sum of its proper divisors (1).
12221524127053 is an equidigital number, since it uses as much as digits as its factorization.
12221524127053 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 67200, while the sum is 37.
Adding to 12221524127053 its reverse (35072142512221), we get a palindrome (47293666639274).
The spelling of 12221524127053 in words is "twelve trillion, two hundred twenty-one billion, five hundred twenty-four million, one hundred twenty-seven thousand, fifty-three".
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