Base | Representation |
---|---|
bin | 10000100110011001… |
… | …11111000111000000 |
3 | 212000002200220000001 |
4 | 20103030333013000 |
5 | 121222444342140 |
6 | 4032201205344 |
7 | 433564436044 |
oct | 102314770700 |
9 | 25002626001 |
10 | 8912105920 |
11 | 38637190a3 |
12 | 1888790854 |
13 | ac04b7a73 |
14 | 607896024 |
15 | 372618e9a |
hex | 21333f1c0 |
8912105920 has 28 divisors (see below), whose sum is σ = 21221952984. Its totient is φ = 3564842240.
The previous prime is 8912105861. The next prime is 8912105953. The reversal of 8912105920 is 295012198.
It is a self number, because there is not a number n which added to its sum of digits gives 8912105920.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13924846 + ... + 13925485.
Almost surely, 28912105920 is an apocalyptic number.
8912105920 is a gapful number since it is divisible by the number (80) formed by its first and last digit.
It is an amenable number.
8912105920 is an abundant number, since it is smaller than the sum of its proper divisors (12309847064).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8912105920 is a wasteful number, since it uses less digits than its factorization.
8912105920 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27850348 (or 27850338 counting only the distinct ones).
The product of its (nonzero) digits is 12960, while the sum is 37.
The square root of 8912105920 is about 94403.9507647853. The cubic root of 8912105920 is about 2073.2902872087.
It can be divided in two parts, 891210 and 5920, that added together give a triangular number (897130 = T1339).
The spelling of 8912105920 in words is "eight billion, nine hundred twelve million, one hundred five thousand, nine hundred twenty".
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