Base | Representation |
---|---|
bin | 101000111001111000… |
… | …1010001111000010110 |
3 | 22101201211112212101020 |
4 | 1101303301101320112 |
5 | 2414344430102204 |
6 | 104204235142010 |
7 | 6226540440423 |
oct | 1216361217026 |
9 | 271654485336 |
10 | 87841644054 |
11 | 3428735534a |
12 | 15035ba4906 |
13 | 838b911898 |
14 | 43743c0d4a |
15 | 2441b38bd9 |
hex | 1473c51e16 |
87841644054 has 12 divisors (see below), whose sum is σ = 175684740084. Its totient is φ = 29280306024.
The previous prime is 87841644029. The next prime is 87841644071. The reversal of 87841644054 is 45044614878.
It is a super-3 number, since 3×878416440543 (a number of 34 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 87841643988 and 87841644006.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 665484 + ... + 786480.
It is an arithmetic number, because the mean of its divisors is an integer number (14640395007).
Almost surely, 287841644054 is an apocalyptic number.
87841644054 is an abundant number, since it is smaller than the sum of its proper divisors (87843096030).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87841644054 is an frugal number, since it uses more digits than its factorization.
87841644054 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 241999 (or 121002 counting only the distinct ones).
The product of its (nonzero) digits is 3440640, while the sum is 51.
The spelling of 87841644054 in words is "eighty-seven billion, eight hundred forty-one million, six hundred forty-four thousand, fifty-four".
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