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142228282159 = 197485699061
BaseRepresentation
bin1000010001110101110…
…1110101101100101111
3111121010010121100020001
42010131131311230233
54312240420012114
6145201101405131
713163356310515
oct2043535655457
9447103540201
10142228282159
1155356180547
1223693b697a7
1310548416752
146c5354c4b5
153a76678374
hex211d775b2f

142228282159 has 4 divisors (see below), whose sum is σ = 149713981240. Its totient is φ = 134742583080.

The previous prime is 142228282153. The next prime is 142228282169. The reversal of 142228282159 is 951282822241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 951282822241 = 1755957813073.

It is a cyclic number.

It is not a de Polignac number, because 142228282159 - 29 = 142228281647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142228282153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3742849512 + ... + 3742849549.

It is an arithmetic number, because the mean of its divisors is an integer number (37428495310).

Almost surely, 2142228282159 is an apocalyptic number.

142228282159 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

142228282159 is a deficient number, since it is larger than the sum of its proper divisors (7485699081).

142228282159 is an equidigital number, since it uses as much as digits as its factorization.

142228282159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7485699080.

The product of its digits is 368640, while the sum is 46.

The spelling of 142228282159 in words is "one hundred forty-two billion, two hundred twenty-eight million, two hundred eighty-two thousand, one hundred fifty-nine".

Divisors: 1 19 7485699061 142228282159