Base | Representation |
---|---|
bin | 100101100110101110… |
… | …0110000000011010100 |
3 | 21201110001011221122021 |
4 | 1023031130300003110 |
5 | 2310342101334320 |
6 | 101033211142524 |
7 | 5556134014105 |
oct | 1131534600324 |
9 | 251401157567 |
10 | 80756277460 |
11 | 312808a4581 |
12 | 13799144a44 |
13 | 77cca19981 |
14 | 3ca13a23ac |
15 | 2179aaadaa |
hex | 12cd7300d4 |
80756277460 has 24 divisors (see below), whose sum is σ = 169621643016. Its totient is φ = 32296137600.
The previous prime is 80756277421. The next prime is 80756277533. The reversal of 80756277460 is 6477265708.
It can be written as a sum of positive squares in 4 ways, for example, as 271722256 + 80484555204 = 16484^2 + 283698^2 .
It is a junction number, because it is equal to n+sod(n) for n = 80756277398 and 80756277407.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 293767 + ... + 497806.
It is an arithmetic number, because the mean of its divisors is an integer number (7067568459).
Almost surely, 280756277460 is an apocalyptic number.
It is an amenable number.
80756277460 is an abundant number, since it is smaller than the sum of its proper divisors (88865365556).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80756277460 is a wasteful number, since it uses less digits than its factorization.
80756277460 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 796683 (or 796681 counting only the distinct ones).
The product of its (nonzero) digits is 3951360, while the sum is 52.
The spelling of 80756277460 in words is "eighty billion, seven hundred fifty-six million, two hundred seventy-seven thousand, four hundred sixty".
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