Base | Representation |
---|---|
bin | 1000010001000111000… |
… | …0100110001101110101 |
3 | 111120121110000201100111 |
4 | 2010101300212031311 |
5 | 4311340124413020 |
6 | 145125403543021 |
7 | 13155452666650 |
oct | 2042160461565 |
9 | 446543021314 |
10 | 142031872885 |
11 | 55265320331 |
12 | 2363a22aa71 |
13 | 10516818946 |
14 | 6c35422897 |
15 | 3a642ccd5a |
hex | 2111c26375 |
142031872885 has 8 divisors (see below), whose sum is σ = 194786568576. Its totient is φ = 97393284240.
The previous prime is 142031872831. The next prime is 142031872891. The reversal of 142031872885 is 588278130241.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-142031872885 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2029026721 + ... + 2029026790.
It is an arithmetic number, because the mean of its divisors is an integer number (24348321072).
Almost surely, 2142031872885 is an apocalyptic number.
It is an amenable number.
142031872885 is a deficient number, since it is larger than the sum of its proper divisors (52754695691).
142031872885 is an equidigital number, since it uses as much as digits as its factorization.
142031872885 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4058053523.
The product of its (nonzero) digits is 860160, while the sum is 49.
The spelling of 142031872885 in words is "one hundred forty-two billion, thirty-one million, eight hundred seventy-two thousand, eight hundred eighty-five".
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