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143060681 is a prime number
BaseRepresentation
bin10001000011011…
…10111011001001
3100222012020100202
420201232323021
5243110420211
622110141545
73354665351
oct1041567311
9328166322
10143060681
1173832675
123bab18b5
132383c4ba
1414dddb61
15c85d53b
hex886eec9

143060681 has 2 divisors, whose sum is σ = 143060682. Its totient is φ = 143060680.

The previous prime is 143060641. The next prime is 143060737. The reversal of 143060681 is 186060341.

143060681 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 can be written as a sum of positive squares in only one way, i.e., 130873600 + 12187081 = 11440^2 + 3491^2 .

It is a cyclic number.

It is not a de Polignac number, because 143060681 - 226 = 75951817 is a prime.

It is a super-2 number, since 2×1430606812 = 40932716896367522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (143060641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71530340 + 71530341.

It is an arithmetic number, because the mean of its divisors is an integer number (71530341).

Almost surely, 2143060681 is an apocalyptic number.

It is an amenable number.

143060681 is a deficient number, since it is larger than the sum of its proper divisors (1).

143060681 is an equidigital number, since it uses as much as digits as its factorization.

143060681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 143060681 is about 11960.7976740684. The cubic root of 143060681 is about 523.0061101887.

The spelling of 143060681 in words is "one hundred forty-three million, sixty thousand, six hundred eighty-one".