Base | Representation |
---|---|
bin | 1000010011001001010… |
… | …1101100010000000100 |
3 | 111122000112112121200020 |
4 | 2010302111230100010 |
5 | 4314000041432334 |
6 | 145255531215140 |
7 | 13205140660161 |
oct | 2046225542004 |
9 | 448015477606 |
10 | 142578467844 |
11 | 555159121aa |
12 | 237712a74b0 |
13 | 105a2b36307 |
14 | 6c87c67068 |
15 | 3a9729be49 |
hex | 213256c404 |
142578467844 has 12 divisors (see below), whose sum is σ = 332683091664. Its totient is φ = 47526155944.
The previous prime is 142578467833. The next prime is 142578467861. The reversal of 142578467844 is 448764875241.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (12).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5940769482 + ... + 5940769505.
It is an arithmetic number, because the mean of its divisors is an integer number (27723590972).
Almost surely, 2142578467844 is an apocalyptic number.
It is an amenable number.
142578467844 is an abundant number, since it is smaller than the sum of its proper divisors (190104623820).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142578467844 is a wasteful number, since it uses less digits than its factorization.
142578467844 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11881538994 (or 11881538992 counting only the distinct ones).
The product of its digits is 48168960, while the sum is 60.
The spelling of 142578467844 in words is "one hundred forty-two billion, five hundred seventy-eight million, four hundred sixty-seven thousand, eight hundred forty-four".
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