Base | Representation |
---|---|
bin | 100101011101100011… |
… | …1001001010011101011 |
3 | 21200122121021112020011 |
4 | 1022323013021103223 |
5 | 2304224321430401 |
6 | 100542501112351 |
7 | 5545410006601 |
oct | 1127307112353 |
9 | 250577245204 |
10 | 80448623851 |
11 | 311331728a2 |
12 | 137120b86b7 |
13 | 778106c30b |
14 | 3c72599871 |
15 | 215ca89451 |
hex | 12bb1c94eb |
80448623851 has 2 divisors, whose sum is σ = 80448623852. Its totient is φ = 80448623850.
The previous prime is 80448623791. The next prime is 80448623861. The reversal of 80448623851 is 15832684408.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 80448623851 - 223 = 80440235243 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 80448623795 and 80448623804.
It is not a weakly prime, because it can be changed into another prime (80448623861) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40224311925 + 40224311926.
It is an arithmetic number, because the mean of its divisors is an integer number (40224311926).
Almost surely, 280448623851 is an apocalyptic number.
80448623851 is a deficient number, since it is larger than the sum of its proper divisors (1).
80448623851 is an equidigital number, since it uses as much as digits as its factorization.
80448623851 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1474560, while the sum is 49.
The spelling of 80448623851 in words is "eighty billion, four hundred forty-eight million, six hundred twenty-three thousand, eight hundred fifty-one".
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