Base | Representation |
---|---|
bin | 110101110111100010… |
… | …000111011100111100 |
3 | 12112021222011210100110 |
4 | 311313202013130330 |
5 | 1421424020210342 |
6 | 42323224030020 |
7 | 4115220642636 |
oct | 656742073474 |
9 | 175258153313 |
10 | 57840006972 |
11 | 225911a3360 |
12 | b262602310 |
13 | 55ba0c55c7 |
14 | 2b29a6ba56 |
15 | 1787cd9c9c |
hex | d7788773c |
57840006972 has 24 divisors (see below), whose sum is σ = 147229108992. Its totient is φ = 17527274800.
The previous prime is 57840006943. The next prime is 57840006977. The reversal of 57840006972 is 27960004875.
It is a super-3 number, since 3×578400069723 (a number of 33 digits) contains 333 as substring.
It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57840006977) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219090804 + ... + 219091067.
It is an arithmetic number, because the mean of its divisors is an integer number (6134546208).
Almost surely, 257840006972 is an apocalyptic number.
It is an amenable number.
57840006972 is an abundant number, since it is smaller than the sum of its proper divisors (89389102020).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57840006972 is a wasteful number, since it uses less digits than its factorization.
57840006972 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 438181889 (or 438181887 counting only the distinct ones).
The product of its (nonzero) digits is 846720, while the sum is 48.
The spelling of 57840006972 in words is "fifty-seven billion, eight hundred forty million, six thousand, nine hundred seventy-two".
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