Base | Representation |
---|---|
bin | 1000010011001001010… |
… | …1101100010000000101 |
3 | 111122000112112121200021 |
4 | 2010302111230100011 |
5 | 4314000041432340 |
6 | 145255531215141 |
7 | 13205140660162 |
oct | 2046225542005 |
9 | 448015477607 |
10 | 142578467845 |
11 | 55515912200 |
12 | 237712a74b1 |
13 | 105a2b36308 |
14 | 6c87c67069 |
15 | 3a9729be4a |
hex | 213256c405 |
142578467845 has 12 divisors (see below), whose sum is σ = 188062178220. Its totient is φ = 103693430720.
The previous prime is 142578467833. The next prime is 142578467861. The reversal of 142578467845 is 548764875241.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 46606764996 + 95971702849 = 215886^2 + 309793^2 .
It is not a de Polignac number, because 142578467845 - 25 = 142578467813 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 117832840 + ... + 117834049.
It is an arithmetic number, because the mean of its divisors is an integer number (15671848185).
Almost surely, 2142578467845 is an apocalyptic number.
It is an amenable number.
142578467845 is a deficient number, since it is larger than the sum of its proper divisors (45483710375).
142578467845 is a wasteful number, since it uses less digits than its factorization.
142578467845 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 235666916 (or 235666905 counting only the distinct ones).
The product of its digits is 60211200, while the sum is 61.
The spelling of 142578467845 in words is "one hundred forty-two billion, five hundred seventy-eight million, four hundred sixty-seven thousand, eight hundred forty-five".
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