Base | Representation |
---|---|
bin | 10001101010101111011… |
… | …101001100101100001111 |
3 | 11022001212102100020012222 |
4 | 101222233131030230033 |
5 | 124343011324210211 |
6 | 2325432220245555 |
7 | 153501064333223 |
oct | 21525735145417 |
9 | 4261772306188 |
10 | 1214124444431 |
11 | 4289a8662268 |
12 | 17737b9a08bb |
13 | 8a650918732 |
14 | 42a9a356783 |
15 | 218aec011db |
hex | 11aaf74cb0f |
1214124444431 has 16 divisors (see below), whose sum is σ = 1286615554560. Its totient is φ = 1142517312000.
The previous prime is 1214124444427. The next prime is 1214124444451. The reversal of 1214124444431 is 1344444214121.
It is a cyclic number.
It is not a de Polignac number, because 1214124444431 - 22 = 1214124444427 is a prime.
It is a super-2 number, since 2×12141244444312 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1214124444391 and 1214124444400.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1214124444451) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1403375 + ... + 2097071.
It is an arithmetic number, because the mean of its divisors is an integer number (80413472160).
Almost surely, 21214124444431 is an apocalyptic number.
1214124444431 is a deficient number, since it is larger than the sum of its proper divisors (72491110129).
1214124444431 is a wasteful number, since it uses less digits than its factorization.
1214124444431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 694334.
The product of its digits is 49152, while the sum is 35.
Adding to 1214124444431 its reverse (1344444214121), we get a palindrome (2558568658552).
The spelling of 1214124444431 in words is "one trillion, two hundred fourteen billion, one hundred twenty-four million, four hundred forty-four thousand, four hundred thirty-one".
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