Base | Representation |
---|---|
bin | 100101101010101010… |
… | …0011001111100000000 |
3 | 21201210020121202202010 |
4 | 1023111110121330000 |
5 | 2311124401314311 |
6 | 101054245052520 |
7 | 5562326161155 |
oct | 1132524317400 |
9 | 251706552663 |
10 | 80888307456 |
11 | 31339382680 |
12 | 138153b7140 |
13 | 7821196428 |
14 | 3cb4b3022c |
15 | 218648ada6 |
hex | 12d5519f00 |
80888307456 has 144 divisors (see below), whose sum is σ = 238161385728. Its totient is φ = 24166195200.
The previous prime is 80888307421. The next prime is 80888307463. The reversal of 80888307456 is 65470388808.
It is a happy number.
It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.
It is a junction number, because it is equal to n+sod(n) for n = 80888307396 and 80888307405.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 532380 + ... + 667236.
It is an arithmetic number, because the mean of its divisors is an integer number (1653898512).
Almost surely, 280888307456 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 80888307456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119080692864).
80888307456 is an abundant number, since it is smaller than the sum of its proper divisors (157273078272).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80888307456 is a wasteful number, since it uses less digits than its factorization.
80888307456 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 134958 (or 134944 counting only the distinct ones).
The product of its (nonzero) digits is 10321920, while the sum is 57.
The spelling of 80888307456 in words is "eighty billion, eight hundred eighty-eight million, three hundred seven thousand, four hundred fifty-six".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.247 sec. • engine limits •