Base | Representation |
---|---|
bin | 10010001111110110000100… |
… | …001000100010010011010000 |
3 | 101112011011202222221122122120 |
4 | 102033312010020202103100 |
5 | 41004334014233142140 |
6 | 442404010523334240 |
7 | 22622065011014040 |
oct | 2217660410422320 |
9 | 345134688848576 |
10 | 80253680755920 |
11 | 23631438639831 |
12 | 900184b381380 |
13 | 35a1b74667699 |
14 | 15b6428177720 |
15 | 9428b09671d0 |
hex | 48fd842224d0 |
80253680755920 has 320 divisors, whose sum is σ = 285245826670080. Its totient is φ = 18284506251264.
The previous prime is 80253680755909. The next prime is 80253680755943. The reversal of 80253680755920 is 2955708635208.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (60).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 955711696 + ... + 955795664.
It is an arithmetic number, because the mean of its divisors is an integer number (891393208344).
Almost surely, 280253680755920 is an apocalyptic number.
80253680755920 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 80253680755920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142622913335040).
80253680755920 is an abundant number, since it is smaller than the sum of its proper divisors (204992145914160).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80253680755920 is a wasteful number, since it uses less digits than its factorization.
80253680755920 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 85822 (or 85816 counting only the distinct ones).
The product of its (nonzero) digits is 36288000, while the sum is 60.
The spelling of 80253680755920 in words is "eighty trillion, two hundred fifty-three billion, six hundred eighty million, seven hundred fifty-five thousand, nine hundred twenty".
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