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142450557679 is a prime number
BaseRepresentation
bin1000010010101010110…
…1110000001011101111
3111121200121212002220201
42010222231300023233
54313214320321204
6145235121454331
713202025522223
oct2045255601357
9447617762821
10142450557679
115545a698421
12237364a13a7
131058249cb21
146c74c8c783
153a8ae329a4
hex212ab702ef

142450557679 has 2 divisors, whose sum is σ = 142450557680. Its totient is φ = 142450557678.

The previous prime is 142450557677. The next prime is 142450557761. The reversal of 142450557679 is 976755054241.

142450557679 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 not a de Polignac number, because 142450557679 - 21 = 142450557677 is a prime.

It is a super-2 number, since 2×1424505576792 (a number of 23 digits) contains 22 as substring.

Together with 142450557677, 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 (142450557671) 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, 71225278839 + 71225278840.

It is an arithmetic number, because the mean of its divisors is an integer number (71225278840).

Almost surely, 2142450557679 is an apocalyptic number.

142450557679 is a deficient number, since it is larger than the sum of its proper divisors (1).

142450557679 is an equidigital number, since it uses as much as digits as its factorization.

142450557679 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10584000, while the sum is 55.

The spelling of 142450557679 in words is "one hundred forty-two billion, four hundred fifty million, five hundred fifty-seven thousand, six hundred seventy-nine".