Base | Representation |
---|---|
bin | 100101011101110110… |
… | …0111000111100110001 |
3 | 21200200021220012220000 |
4 | 1022323230320330301 |
5 | 2304234340041241 |
6 | 100543453140213 |
7 | 5545560056466 |
oct | 1127354707461 |
9 | 250607805800 |
10 | 80458518321 |
11 | 31138810745 |
12 | 1371548a669 |
13 | 7783124b2c |
14 | 3c73a1366d |
15 | 215d890eb6 |
hex | 12bbb38f31 |
80458518321 has 40 divisors (see below), whose sum is σ = 126836614080. Its totient is φ = 50687521632.
The previous prime is 80458518311. The next prime is 80458518331. The reversal of 80458518321 is 12381585408.
80458518321 is a `hidden beast` number, since 80 + 4 + 58 + 518 + 3 + 2 + 1 = 666.
It is an interprime number because it is at equal distance from previous prime (80458518311) and next prime (80458518331).
It is not a de Polignac number, because 80458518321 - 219 = 80457994033 is a prime.
It is not an unprimeable number, because it can be changed into a prime (80458518311) by changing a digit.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 545140 + ... + 676826.
It is an arithmetic number, because the mean of its divisors is an integer number (3170915352).
Almost surely, 280458518321 is an apocalyptic number.
80458518321 is a gapful number since it is divisible by the number (81) formed by its first and last digit.
It is an amenable number.
80458518321 is a deficient number, since it is larger than the sum of its proper divisors (46378095759).
80458518321 is a wasteful number, since it uses less digits than its factorization.
80458518321 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 132115 (or 132106 counting only the distinct ones).
The product of its (nonzero) digits is 307200, while the sum is 45.
The spelling of 80458518321 in words is "eighty billion, four hundred fifty-eight million, five hundred eighteen thousand, three hundred twenty-one".
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