Base | Representation |
---|---|
bin | 111100111110011… |
… | …110111001001011 |
3 | 2122021222102020011 |
4 | 330332132321023 |
5 | 4043342344202 |
6 | 245302412351 |
7 | 34231314343 |
oct | 7476367113 |
9 | 2567872204 |
10 | 1023012427 |
11 | 485511418 |
12 | 2467310b7 |
13 | 133c367c8 |
14 | 99c1bd23 |
15 | 5ec29bd7 |
hex | 3cf9ee4b |
1023012427 has 2 divisors, whose sum is σ = 1023012428. Its totient is φ = 1023012426.
The previous prime is 1023012409. The next prime is 1023012449. The reversal of 1023012427 is 7242103201.
It is an a-pointer prime, because the next prime (1023012449) can be obtained adding 1023012427 to its sum of digits (22).
It is a weak prime.
It is an emirp because it is prime and its reverse (7242103201) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 1023012427 - 27 = 1023012299 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 1023012398 and 1023012407.
It is not a weakly prime, because it can be changed into another prime (1023012457) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511506213 + 511506214.
It is an arithmetic number, because the mean of its divisors is an integer number (511506214).
Almost surely, 21023012427 is an apocalyptic number.
1023012427 is a deficient number, since it is larger than the sum of its proper divisors (1).
1023012427 is an equidigital number, since it uses as much as digits as its factorization.
1023012427 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 672, while the sum is 22.
The square root of 1023012427 is about 31984.5654496040. The cubic root of 1023012427 is about 1007.6127086071.
Adding to 1023012427 its reverse (7242103201), we get a palindrome (8265115628).
The spelling of 1023012427 in words is "one billion, twenty-three million, twelve thousand, four hundred twenty-seven".
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