Base | Representation |
---|---|
bin | 100101011010111101… |
… | …1110001010110101110 |
3 | 21200102112211012001020 |
4 | 1022311323301112232 |
5 | 2304040102143303 |
6 | 100530115155010 |
7 | 5543303441022 |
oct | 1126573612656 |
9 | 250375735036 |
10 | 80361756078 |
11 | 3109913084a |
12 | 136a8ba5a66 |
13 | 7769075c76 |
14 | 3c64c26382 |
15 | 215512aa53 |
hex | 12b5ef15ae |
80361756078 has 16 divisors (see below), whose sum is σ = 160731319296. Its totient is φ = 26785950840.
The previous prime is 80361756067. The next prime is 80361756119. The reversal of 80361756078 is 87065716308.
It is a self number, because there is not a number n which added to its sum of digits gives 80361756078.
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, 186958 + ... + 442353.
It is an arithmetic number, because the mean of its divisors is an integer number (10045707456).
Almost surely, 280361756078 is an apocalyptic number.
80361756078 is an abundant number, since it is smaller than the sum of its proper divisors (80369563218).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80361756078 is a wasteful number, since it uses less digits than its factorization.
80361756078 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 650599.
The product of its (nonzero) digits is 1693440, while the sum is 51.
The spelling of 80361756078 in words is "eighty billion, three hundred sixty-one million, seven hundred fifty-six thousand, seventy-eight".
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