Base | Representation |
---|---|
bin | 1000010001110100100… |
… | …1110000000101011101 |
3 | 111121002202200210210200 |
4 | 2010131021300011131 |
5 | 4312233043010120 |
6 | 145200352454113 |
7 | 13163263456230 |
oct | 2043511600535 |
9 | 447082623720 |
10 | 142223016285 |
11 | 55353204189 |
12 | 2369224a339 |
13 | 105472c194c |
14 | 6c5297b417 |
15 | 3a75e87e90 |
hex | 211d27015d |
142223016285 has 96 divisors (see below), whose sum is σ = 298686216192. Its totient is φ = 61218270720.
The previous prime is 142223016259. The next prime is 142223016317. The reversal of 142223016285 is 582610322241.
142223016285 is a `hidden beast` number, since 1 + 4 + 2 + 2 + 23 + 0 + 1 + 628 + 5 = 666.
It is not a de Polignac number, because 142223016285 - 28 = 142223016029 is a prime.
It is a super-2 number, since 2×1422230162852 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 164487 + ... + 558123.
It is an arithmetic number, because the mean of its divisors is an integer number (3111314752).
Almost surely, 2142223016285 is an apocalyptic number.
142223016285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
142223016285 is an abundant number, since it is smaller than the sum of its proper divisors (156463199907).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142223016285 is a wasteful number, since it uses less digits than its factorization.
142223016285 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 393723 (or 393720 counting only the distinct ones).
The product of its (nonzero) digits is 46080, while the sum is 36.
The spelling of 142223016285 in words is "one hundred forty-two billion, two hundred twenty-three million, sixteen thousand, two hundred eighty-five".
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