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56663143 is a prime number
BaseRepresentation
bin1101100000100…
…1110001100111
310221121210012221
43120021301213
5104001210033
65342253211
71255425445
oct330116147
9127553187
1056663143
1129a91949
1216b87207
13b97c1b4
14774db95
154e9412d
hex3609c67

56663143 has 2 divisors, whose sum is σ = 56663144. Its totient is φ = 56663142.

The previous prime is 56663141. The next prime is 56663161. The reversal of 56663143 is 34136665.

56663143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56663143 - 21 = 56663141 is a prime.

Together with 56663141, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 56663099 and 56663108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56663141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28331571 + 28331572.

It is an arithmetic number, because the mean of its divisors is an integer number (28331572).

Almost surely, 256663143 is an apocalyptic number.

56663143 is a deficient number, since it is larger than the sum of its proper divisors (1).

56663143 is an equidigital number, since it uses as much as digits as its factorization.

56663143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880, while the sum is 34.

The square root of 56663143 is about 7527.4924775784. The cubic root of 56663143 is about 384.0904892902.

The spelling of 56663143 in words is "fifty-six million, six hundred sixty-three thousand, one hundred forty-three".