Base | Representation |
---|---|
bin | 100111010011111101… |
… | …101111111110010000 |
3 | 11000221202020011021101 |
4 | 213103331233332100 |
5 | 1142421441314040 |
6 | 31220313434144 |
7 | 3023011415116 |
oct | 472375577620 |
9 | 130852204241 |
10 | 42210885520 |
11 | 169a0a43061 |
12 | 822040b954 |
13 | 3c9912584b |
14 | 208607dab6 |
15 | 1170b5409a |
hex | 9d3f6ff90 |
42210885520 has 40 divisors (see below), whose sum is σ = 98455930560. Its totient is φ = 16830053760.
The previous prime is 42210885517. The next prime is 42210885589. The reversal of 42210885520 is 2558801224.
It is a tau number, because it is divible by the number of its divisors (40).
It is a super-3 number, since 3×422108855203 (a number of 33 digits) contains 333 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 42210885520.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 823410 + ... + 873169.
It is an arithmetic number, because the mean of its divisors is an integer number (2461398264).
Almost surely, 242210885520 is an apocalyptic number.
42210885520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
42210885520 is an abundant number, since it is smaller than the sum of its proper divisors (56245045040).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42210885520 is a wasteful number, since it uses less digits than its factorization.
42210885520 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1696903 (or 1696897 counting only the distinct ones).
The product of its (nonzero) digits is 51200, while the sum is 37.
The spelling of 42210885520 in words is "forty-two billion, two hundred ten million, eight hundred eighty-five thousand, five hundred twenty".
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