Base | Representation |
---|---|
bin | 10010101100000000100… |
… | …01101111110101111000 |
3 | 2021101101012200121220020 |
4 | 21112000101233311320 |
5 | 41010011134410120 |
6 | 1210551103530440 |
7 | 64250615116641 |
oct | 11260021576570 |
9 | 2241335617806 |
10 | 642102263160 |
11 | 22834aa96006 |
12 | a453a8b9a20 |
13 | 4871c410a67 |
14 | 23113b2a6c8 |
15 | 11a811b7640 |
hex | 958046fd78 |
642102263160 has 64 divisors (see below), whose sum is σ = 1967292057600. Its totient is φ = 167584135296.
The previous prime is 642102263057. The next prime is 642102263167. The reversal of 642102263160 is 61362201246.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (642102263167) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56918320 + ... + 56929599.
It is an arithmetic number, because the mean of its divisors is an integer number (30738938400).
Almost surely, 2642102263160 is an apocalyptic number.
642102263160 is a gapful number since it is divisible by the number (60) formed by its first and last digit.
It is an amenable number.
642102263160 is an abundant number, since it is smaller than the sum of its proper divisors (1325189794440).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
642102263160 is a wasteful number, since it uses less digits than its factorization.
642102263160 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 113847980 (or 113847976 counting only the distinct ones).
The product of its (nonzero) digits is 20736, while the sum is 33.
The spelling of 642102263160 in words is "six hundred forty-two billion, one hundred two million, two hundred sixty-three thousand, one hundred sixty".
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