Base | Representation |
---|---|
bin | 100101011001101111… |
… | …1101001101000000000 |
3 | 21200022200210220221210 |
4 | 1022303133221220000 |
5 | 2303444113024302 |
6 | 100522054050120 |
7 | 5542265534616 |
oct | 1126337515000 |
9 | 250280726853 |
10 | 80320829952 |
11 | 31078018400 |
12 | 13697349940 |
13 | 7760746a1c |
14 | 3c5d6116b6 |
15 | 215174466c |
hex | 12b37e9a00 |
80320829952 has 120 divisors (see below), whose sum is σ = 235201383648. Its totient is φ = 24339589120.
The previous prime is 80320829933. The next prime is 80320829959. The reversal of 80320829952 is 25992802308.
It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is not an unprimeable number, because it can be changed into a prime (80320829959) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30228 + ... + 401939.
Almost surely, 280320829952 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 80320829952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117600691824).
80320829952 is an abundant number, since it is smaller than the sum of its proper divisors (154880553696).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80320829952 is a wasteful number, since it uses less digits than its factorization.
80320829952 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 432210 (or 432183 counting only the distinct ones).
The product of its (nonzero) digits is 622080, while the sum is 48.
The spelling of 80320829952 in words is "eighty billion, three hundred twenty million, eight hundred twenty-nine thousand, nine hundred fifty-two".
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