Base | Representation |
---|---|
bin | 11110111011000100110… |
… | …100001010110111110100 |
3 | 21112011001000020021102101 |
4 | 132323010310022313310 |
5 | 234304013024321310 |
6 | 4304115132351444 |
7 | 306345605510143 |
oct | 36730464126764 |
9 | 7464030207371 |
10 | 2125015854580 |
11 | 74a23a061773 |
12 | 2a3a13615584 |
13 | 12550796b918 |
14 | 74bcc02375a |
15 | 3a4234bc43a |
hex | 1eec4d0adf4 |
2125015854580 has 12 divisors (see below), whose sum is σ = 4462533294660. Its totient is φ = 850006341824.
The previous prime is 2125015854503. The next prime is 2125015854607. The reversal of 2125015854580 is 854585105212.
It can be written as a sum of positive squares in 2 ways, for example, as 1329676509456 + 795339345124 = 1153116^2 + 891818^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 2125015854580.
It is a congruent number.
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 3 ways as a sum of consecutive naturals, for example, 53125396345 + ... + 53125396384.
It is an arithmetic number, because the mean of its divisors is an integer number (371877774555).
Almost surely, 22125015854580 is an apocalyptic number.
2125015854580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2125015854580 is an abundant number, since it is smaller than the sum of its proper divisors (2337517440080).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2125015854580 is a wasteful number, since it uses less digits than its factorization.
2125015854580 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 106250792738 (or 106250792736 counting only the distinct ones).
The product of its (nonzero) digits is 640000, while the sum is 46.
The spelling of 2125015854580 in words is "two trillion, one hundred twenty-five billion, fifteen million, eight hundred fifty-four thousand, five hundred eighty".
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