Base | Representation |
---|---|
bin | 100101010110001110… |
… | …1110010010110011000 |
3 | 21200000110220111200200 |
4 | 1022230131302112120 |
5 | 2303223420312023 |
6 | 100502242302200 |
7 | 5536334260245 |
oct | 1125435622630 |
9 | 250013814620 |
10 | 80202900888 |
11 | 310174a0570 |
12 | 13663957960 |
13 | 7742196606 |
14 | 3c4bab45cc |
15 | 21461ec743 |
hex | 12ac772598 |
80202900888 has 192 divisors, whose sum is σ = 246230150400. Its totient is φ = 23360951040.
The previous prime is 80202900857. The next prime is 80202900901. The reversal of 80202900888 is 88800920208.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5206045 + ... + 5221427.
It is an arithmetic number, because the mean of its divisors is an integer number (1282448700).
Almost surely, 280202900888 is an apocalyptic number.
80202900888 is a gapful number since it is divisible by the number (88) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 80202900888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123115075200).
80202900888 is an abundant number, since it is smaller than the sum of its proper divisors (166027249512).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80202900888 is a wasteful number, since it uses less digits than its factorization.
80202900888 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15662 (or 15655 counting only the distinct ones).
The product of its (nonzero) digits is 147456, while the sum is 45.
The spelling of 80202900888 in words is "eighty billion, two hundred two million, nine hundred thousand, eight hundred eighty-eight".
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