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142407113869 is a prime number
BaseRepresentation
bin1000010010100000100…
…0000001110010001101
3111121120121002221012201
42010220020001302031
54313122210120434
6145230530401501
713200660331666
oct2045010016215
9447517087181
10142407113869
1155438115449
1223723a30291
131057649b927
146c6d1c036d
153a87200614
hex2128201c8d

142407113869 has 2 divisors, whose sum is σ = 142407113870. Its totient is φ = 142407113868.

The previous prime is 142407113843. The next prime is 142407113899. The reversal of 142407113869 is 968311704241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 137815425225 + 4591688644 = 371235^2 + 67762^2 .

It is a cyclic number.

It is not a de Polignac number, because 142407113869 - 237 = 4968160397 is a prime.

It is a super-2 number, since 2×1424071138692 (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 (142407113899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71203556934 + 71203556935.

It is an arithmetic number, because the mean of its divisors is an integer number (71203556935).

Almost surely, 2142407113869 is an apocalyptic number.

It is an amenable number.

142407113869 is a deficient number, since it is larger than the sum of its proper divisors (1).

142407113869 is an equidigital number, since it uses as much as digits as its factorization.

142407113869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 46.

The spelling of 142407113869 in words is "one hundred forty-two billion, four hundred seven million, one hundred thirteen thousand, eight hundred sixty-nine".