Base | Representation |
---|---|
bin | 111011001111111… |
… | …1101010000000000 |
3 | 12010112221101011201 |
4 | 1312133331100000 |
5 | 13032422320312 |
6 | 525135350544 |
7 | 100160322232 |
oct | 16637752000 |
9 | 5115841151 |
10 | 1988088832 |
11 | 930251624 |
12 | 475982454 |
13 | 258b66932 |
14 | 14c078252 |
15 | b980d557 |
hex | 767fd400 |
1988088832 has 88 divisors (see below), whose sum is σ = 4106380256. Its totient is φ = 961486848.
The previous prime is 1988088829. The next prime is 1988088871. The reversal of 1988088832 is 2388808891.
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, 7177078 + ... + 7177354.
It is an arithmetic number, because the mean of its divisors is an integer number (46663412).
Almost surely, 21988088832 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1988088832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2053190128).
1988088832 is an abundant number, since it is smaller than the sum of its proper divisors (2118291424).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1988088832 is a wasteful number, since it uses less digits than its factorization.
1988088832 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 503 (or 485 counting only the distinct ones).
The product of its (nonzero) digits is 1769472, while the sum is 55.
The square root of 1988088832 is about 44587.9897730319. The cubic root of 1988088832 is about 1257.4148795059.
The spelling of 1988088832 in words is "one billion, nine hundred eighty-eight million, eighty-eight thousand, eight hundred thirty-two".
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