Base | Representation |
---|---|
bin | 100101010001110110… |
… | …0011111010000101111 |
3 | 21122122020000222020011 |
4 | 1022203230133100233 |
5 | 2302423233304134 |
6 | 100435504434051 |
7 | 5532566505652 |
oct | 1124354372057 |
9 | 248566028204 |
10 | 80055759919 |
11 | 30a51431363 |
12 | 13622618927 |
13 | 771a858b55 |
14 | 3c36331899 |
15 | 2138335264 |
hex | 12a3b1f42f |
80055759919 has 4 divisors (see below), whose sum is σ = 82219429144. Its totient is φ = 77892090696.
The previous prime is 80055759863. The next prime is 80055759923. The reversal of 80055759919 is 91995755008.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 80055759919 - 217 = 80055628847 is a prime.
It is a super-2 number, since 2×800557599192 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80055259919) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1081834557 + ... + 1081834630.
It is an arithmetic number, because the mean of its divisors is an integer number (20554857286).
Almost surely, 280055759919 is an apocalyptic number.
80055759919 is a deficient number, since it is larger than the sum of its proper divisors (2163669225).
80055759919 is a wasteful number, since it uses less digits than its factorization.
80055759919 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2163669224.
The product of its (nonzero) digits is 5103000, while the sum is 58.
The spelling of 80055759919 in words is "eighty billion, fifty-five million, seven hundred fifty-nine thousand, nine hundred nineteen".
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