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142231331422 = 2161387440653
BaseRepresentation
bin1000010001110110100…
…1011110001001011110
3111121010100100021000201
42010131221132021132
54312242210101142
6145201251014114
713163424240505
oct2043551361136
9447110307021
10142231331422
11553579734a4
1223694b9a33a
1310548c4364b
146c53b0383c
153a76a7bab7
hex211da5e25e

142231331422 has 8 divisors (see below), whose sum is σ = 213348803256. Its totient is φ = 71115063672.

The previous prime is 142231331399. The next prime is 142231331483. The reversal of 142231331422 is 224133132241.

142231331422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 102448 + ... + 543100.

It is an arithmetic number, because the mean of its divisors is an integer number (26668600407).

Almost surely, 2142231331422 is an apocalyptic number.

142231331422 is a deficient number, since it is larger than the sum of its proper divisors (71117471834).

142231331422 is a wasteful number, since it uses less digits than its factorization.

142231331422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602042.

The product of its digits is 6912, while the sum is 28.

Adding to 142231331422 its reverse (224133132241), we get a palindrome (366364463663).

The spelling of 142231331422 in words is "one hundred forty-two billion, two hundred thirty-one million, three hundred thirty-one thousand, four hundred twenty-two".

Divisors: 1 2 161387 322774 440653 881306 71115665711 142231331422