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142685058881 is a prime number
BaseRepresentation
bin1000010011100010110…
…0010011011101000001
3111122021222010000002102
42010320230103131001
54314204333341011
6145314300000145
713210603663211
oct2047054233501
9448258100072
10142685058881
115556aaa5672
12237a0b30055
13105bbc46b31
146c98092241
153aa180473b
hex2138b13741

142685058881 has 2 divisors, whose sum is σ = 142685058882. Its totient is φ = 142685058880.

The previous prime is 142685058877. The next prime is 142685058961. The reversal of 142685058881 is 188850586241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 133748192656 + 8936866225 = 365716^2 + 94535^2 .

It is a cyclic number.

It is not a de Polignac number, because 142685058881 - 22 = 142685058877 is a prime.

It is a super-2 number, since 2×1426850588812 (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (142685058811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71342529440 + 71342529441.

It is an arithmetic number, because the mean of its divisors is an integer number (71342529441).

Almost surely, 2142685058881 is an apocalyptic number.

It is an amenable number.

142685058881 is a deficient number, since it is larger than the sum of its proper divisors (1).

142685058881 is an equidigital number, since it uses as much as digits as its factorization.

142685058881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4915200, while the sum is 56.

The spelling of 142685058881 in words is "one hundred forty-two billion, six hundred eighty-five million, fifty-eight thousand, eight hundred eighty-one".