Base | Representation |
---|---|
bin | 10100011110111011001111… |
… | …011000110101010000111001 |
3 | 102210222011000211120022220211 |
4 | 110132323033120311100321 |
5 | 43301432340101202031 |
6 | 515332554354151121 |
7 | 24655336056015361 |
oct | 2436731730652071 |
9 | 383864024508824 |
10 | 90086123459641 |
11 | 26782346175091 |
12 | a12b3645824a1 |
13 | 3b36114956b3a |
14 | 1836297c079a1 |
15 | a6353071dbb1 |
hex | 51eecf635439 |
90086123459641 has 3 divisors (see below), whose sum is σ = 90086132951013. Its totient is φ = 90086113968270.
The previous prime is 90086123459617. The next prime is 90086123459669. The reversal of 90086123459641 is 14695432168009.
The square root of 90086123459641 is 9491371.
It is a perfect power (a square), and thus also a powerful number.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It is not a de Polignac number, because 90086123459641 - 27 = 90086123459513 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (90086123459741) by changing a digit.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 4745686 + ... + 14237056.
It is an arithmetic number, because the mean of its divisors is an integer number (30028710983671).
Almost surely, 290086123459641 is an apocalyptic number.
90086123459641 is the 9491371-st square number.
90086123459641 is the 4745686-th centered octagonal number.
It is an amenable number.
90086123459641 is a deficient number, since it is larger than the sum of its proper divisors (9491372).
90086123459641 is an frugal number, since it uses more digits than its factorization.
90086123459641 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18982742 (or 9491371 counting only the distinct ones).
The product of its (nonzero) digits is 11197440, while the sum is 58.
The spelling of 90086123459641 in words is "ninety trillion, eighty-six billion, one hundred twenty-three million, four hundred fifty-nine thousand, six hundred forty-one".
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