Base | Representation |
---|---|
bin | 100101101000000111… |
… | …0001001001110010101 |
3 | 21201120021200112012112 |
4 | 1023100032021032111 |
5 | 2310441002430203 |
6 | 101041552000405 |
7 | 5560240204142 |
oct | 1132016111625 |
9 | 251507615175 |
10 | 80802780053 |
11 | 312a5076676 |
12 | 137b0830105 |
13 | 780954c1b8 |
14 | 3ca76293c9 |
15 | 217dbe46d8 |
hex | 12d0389395 |
80802780053 has 8 divisors (see below), whose sum is σ = 85858207488. Its totient is φ = 75780944064.
The previous prime is 80802780029. The next prime is 80802780059. The reversal of 80802780053 is 35008720808.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 80802780053 - 226 = 80735671189 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80802780059) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8392901 + ... + 8402522.
It is an arithmetic number, because the mean of its divisors is an integer number (10732275936).
Almost surely, 280802780053 is an apocalyptic number.
It is an amenable number.
80802780053 is a deficient number, since it is larger than the sum of its proper divisors (5055427435).
80802780053 is a wasteful number, since it uses less digits than its factorization.
80802780053 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16795723.
The product of its (nonzero) digits is 107520, while the sum is 41.
The spelling of 80802780053 in words is "eighty billion, eight hundred two million, seven hundred eighty thousand, fifty-three".
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