Base | Representation |
---|---|
bin | 100101100001100000… |
… | …1001100100101001010 |
3 | 21200222211220021011110 |
4 | 1023003001030211022 |
5 | 2310012302011442 |
6 | 101004000311150 |
7 | 5551610411445 |
oct | 1130301144512 |
9 | 250884807143 |
10 | 80581282122 |
11 | 311a103aa30 |
12 | 1374a6124b6 |
13 | 77a26a8a33 |
14 | 3c8604c65c |
15 | 216954069c |
hex | 12c304c94a |
80581282122 has 64 divisors (see below), whose sum is σ = 177033093120. Its totient is φ = 24249456000.
The previous prime is 80581282087. The next prime is 80581282127. The reversal of 80581282122 is 22128218508.
It is not an unprimeable number, because it can be changed into a prime (80581282127) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19373079 + ... + 19377237.
It is an arithmetic number, because the mean of its divisors is an integer number (2766142080).
Almost surely, 280581282122 is an apocalyptic number.
80581282122 is an abundant number, since it is smaller than the sum of its proper divisors (96451810998).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80581282122 is a wasteful number, since it uses less digits than its factorization.
80581282122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6139.
The product of its (nonzero) digits is 40960, while the sum is 39.
The spelling of 80581282122 in words is "eighty billion, five hundred eighty-one million, two hundred eighty-two thousand, one hundred twenty-two".
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