Base | Representation |
---|---|
bin | 100111010101001001… |
… | …000101000000010101 |
3 | 11001000010101101222212 |
4 | 213111021011000111 |
5 | 1142442020214334 |
6 | 31222301003205 |
7 | 3023341311314 |
oct | 472511050025 |
9 | 131003341885 |
10 | 42230632469 |
11 | 16a01100253 |
12 | 8226b53505 |
13 | 3ca024aa2c |
14 | 208894027b |
15 | 1172754ece |
hex | 9d5245015 |
42230632469 has 2 divisors, whose sum is σ = 42230632470. Its totient is φ = 42230632468.
The previous prime is 42230632363. The next prime is 42230632471. The reversal of 42230632469 is 96423603224.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 39894070225 + 2336562244 = 199735^2 + 48338^2 .
It is a cyclic number.
It is not a de Polignac number, because 42230632469 - 212 = 42230628373 is a prime.
It is a super-2 number, since 2×422306324692 (a number of 22 digits) contains 22 as substring.
Together with 42230632471, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (42230634469) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21115316234 + 21115316235.
It is an arithmetic number, because the mean of its divisors is an integer number (21115316235).
Almost surely, 242230632469 is an apocalyptic number.
It is an amenable number.
42230632469 is a deficient number, since it is larger than the sum of its proper divisors (1).
42230632469 is an equidigital number, since it uses as much as digits as its factorization.
42230632469 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 373248, while the sum is 41.
The spelling of 42230632469 in words is "forty-two billion, two hundred thirty million, six hundred thirty-two thousand, four hundred sixty-nine".
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