Base | Representation |
---|---|
bin | 10010011000111101010111… |
… | …101010110110000000000000 |
3 | 101121101001102021002211121120 |
4 | 102120331113222312000000 |
5 | 41100114220000000000 |
6 | 444003431542352240 |
7 | 23015246540524065 |
oct | 2230752752660000 |
9 | 347331367084546 |
10 | 80880000000000 |
11 | 2385301950aa13 |
12 | 90a310442b680 |
13 | 3618c49c436a6 |
14 | 15d8881a94c6c |
15 | 953d1b1e96a0 |
hex | 498f57ab6000 |
80880000000000 has 616 divisors, whose sum is σ = 270383490556296. Its totient is φ = 21504000000000.
The previous prime is 80879999999987. The next prime is 80880000000011. The reversal of 80880000000000 is 8808.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 43 ways as a sum of consecutive naturals, for example, 239999999832 + ... + 240000000168.
Almost surely, 280880000000000 is an apocalyptic number.
80880000000000 is a gapful number since it is divisible by the number (80) 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 80880000000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135191745278148).
80880000000000 is an abundant number, since it is smaller than the sum of its proper divisors (189503490556296).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80880000000000 is an frugal number, since it uses more digits than its factorization.
80880000000000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 416 (or 347 counting only the distinct ones).
The product of its (nonzero) digits is 512, while the sum is 24.
Adding to 80880000000000 its reverse (8808), we get a palindrome (80880000008808).
The spelling of 80880000000000 in words is "eighty trillion, eight hundred eighty billion", and thus it is an aban number.
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