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142231332225 = 3521896417763
BaseRepresentation
bin1000010001110110100…
…1011110010110000001
3111121010100100022010110
42010131221132112001
54312242210112400
6145201251021533
713163424243033
oct2043551362601
9447110308113
10142231332225
1155357974064
1223694b9a8a9
1310548c43b18
146c53b03c53
153a76a7be50
hex211da5e581

142231332225 has 12 divisors (see below), whose sum is σ = 235155802736. Its totient is φ = 75856710480.

The previous prime is 142231332197. The next prime is 142231332227. The reversal of 142231332225 is 522233132241.

It is not a de Polignac number, because 142231332225 - 26 = 142231332161 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142231332192 and 142231332201.

It is not an unprimeable number, because it can be changed into a prime (142231332227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 948208807 + ... + 948208956.

Almost surely, 2142231332225 is an apocalyptic number.

142231332225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142231332225 is a deficient number, since it is larger than the sum of its proper divisors (92924470511).

142231332225 is a wasteful number, since it uses less digits than its factorization.

142231332225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1896417776 (or 1896417771 counting only the distinct ones).

The product of its digits is 17280, while the sum is 30.

Adding to 142231332225 its reverse (522233132241), we get a palindrome (664464464466).

The spelling of 142231332225 in words is "one hundred forty-two billion, two hundred thirty-one million, three hundred thirty-two thousand, two hundred twenty-five".

Divisors: 1 3 5 15 25 75 1896417763 5689253289 9482088815 28446266445 47410444075 142231332225