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142167046487 is a prime number
BaseRepresentation
bin1000010001100111010…
…0001111100101010111
3111120221212101020200012
42010121310033211113
54312124230441422
6145151033110435
713162013646044
oct2043164174527
9446855336605
10142167046487
1155324656254
122367755841b
131053882621b
146c4936c1cb
153a710ce4e2
hex2119d0f957

142167046487 has 2 divisors, whose sum is σ = 142167046488. Its totient is φ = 142167046486.

The previous prime is 142167046477. The next prime is 142167046543. The reversal of 142167046487 is 784640761241.

142167046487 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 a de Polignac number, because none of the positive numbers 2k-142167046487 is a prime.

It is a super-2 number, since 2×1421670464872 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142167046477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71083523243 + 71083523244.

It is an arithmetic number, because the mean of its divisors is an integer number (71083523244).

Almost surely, 2142167046487 is an apocalyptic number.

142167046487 is a deficient number, since it is larger than the sum of its proper divisors (1).

142167046487 is an equidigital number, since it uses as much as digits as its factorization.

142167046487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1806336, while the sum is 50.

The spelling of 142167046487 in words is "one hundred forty-two billion, one hundred sixty-seven million, forty-six thousand, four hundred eighty-seven".