Base | Representation |
---|---|
bin | 110010101010101101… |
… | …0010000010101011000 |
3 | 101101211221210211011202 |
4 | 1211111122100111120 |
5 | 3240314111102113 |
6 | 121552454213332 |
7 | 10601225221466 |
oct | 1452532202530 |
9 | 341757724152 |
10 | 108807128408 |
11 | 42165873020 |
12 | 19107354248 |
13 | a350330224 |
14 | 53a29cb836 |
15 | 2c6c519258 |
hex | 1955690558 |
108807128408 has 32 divisors (see below), whose sum is σ = 229739397120. Its totient is φ = 47862372000.
The previous prime is 108807128369. The next prime is 108807128413. The reversal of 108807128408 is 804821708801.
It is a super-2 number, since 2×1088071284082 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19939928 + ... + 19945383.
It is an arithmetic number, because the mean of its divisors is an integer number (7179356160).
Almost surely, 2108807128408 is an apocalyptic number.
It is an amenable number.
108807128408 is an abundant number, since it is smaller than the sum of its proper divisors (120932268712).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
108807128408 is a wasteful number, since it uses less digits than its factorization.
108807128408 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39885359 (or 39885355 counting only the distinct ones).
The product of its (nonzero) digits is 229376, while the sum is 47.
The spelling of 108807128408 in words is "one hundred eight billion, eight hundred seven million, one hundred twenty-eight thousand, four hundred eight".
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