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42503522143 is a prime number
BaseRepresentation
bin100111100101011010…
…000100011101011111
311001201010212122020211
4213211122010131133
51144021400202033
631305325553251
73033163656115
oct474532043537
9131633778224
1042503522143
1117031148305
1282a2415827
134014945c04
1420b2c97ab5
15118b6ab2cd
hex9e568475f

42503522143 has 2 divisors, whose sum is σ = 42503522144. Its totient is φ = 42503522142.

The previous prime is 42503522141. The next prime is 42503522279. The reversal of 42503522143 is 34122530524.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42503522143 - 21 = 42503522141 is a prime.

Together with 42503522141, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42503522141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21251761071 + 21251761072.

It is an arithmetic number, because the mean of its divisors is an integer number (21251761072).

Almost surely, 242503522143 is an apocalyptic number.

42503522143 is a deficient number, since it is larger than the sum of its proper divisors (1).

42503522143 is an equidigital number, since it uses as much as digits as its factorization.

42503522143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28800, while the sum is 31.

The spelling of 42503522143 in words is "forty-two billion, five hundred three million, five hundred twenty-two thousand, one hundred forty-three".