Base | Representation |
---|---|
bin | 1000010011100011000… |
… | …0100010011100010010 |
3 | 111122022001012101200101 |
4 | 2010320300202130102 |
5 | 4314210124400400 |
6 | 145314335443014 |
7 | 13210616265241 |
oct | 2047060423422 |
9 | 448261171611 |
10 | 142686168850 |
11 | 555706935a5 |
12 | 237a138646a |
13 | 105bc245114 |
14 | 6c982a0958 |
15 | 3aa197356a |
hex | 2138c22712 |
142686168850 has 96 divisors (see below), whose sum is σ = 285486477696. Its totient is φ = 52863820800.
The previous prime is 142686168841. The next prime is 142686168853. The reversal of 142686168850 is 58861686241.
It is a junction number, because it is equal to n+sod(n) for n = 142686168791 and 142686168800.
It is not an unprimeable number, because it can be changed into a prime (142686168853) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 38803212 + ... + 38806888.
It is an arithmetic number, because the mean of its divisors is an integer number (2973817476).
Almost surely, 2142686168850 is an apocalyptic number.
142686168850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
142686168850 is an abundant number, since it is smaller than the sum of its proper divisors (142800308846).
142686168850 is a wasteful number, since it uses less digits than its factorization.
142686168850 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4420 (or 4415 counting only the distinct ones).
The product of its (nonzero) digits is 4423680, while the sum is 55.
The spelling of 142686168850 in words is "one hundred forty-two billion, six hundred eighty-six million, one hundred sixty-eight thousand, eight hundred fifty".
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