Base | Representation |
---|---|
bin | 100101010101010010… |
… | …0001110110110010111 |
3 | 21122221020221121100200 |
4 | 1022222210032312113 |
5 | 2303142241123210 |
6 | 100455143311543 |
7 | 5535466363665 |
oct | 1125244166627 |
9 | 248836847320 |
10 | 80171036055 |
11 | 31000506aa0 |
12 | 1365514b5b3 |
13 | 77386ba896 |
14 | 3c4777bc35 |
15 | 21435060c0 |
hex | 12aa90ed97 |
80171036055 has 24 divisors (see below), whose sum is σ = 151596141840. Its totient is φ = 38870805120.
The previous prime is 80171036053. The next prime is 80171036059. The reversal of 80171036055 is 55063017108.
80171036055 is a `hidden beast` number, since 80 + 171 + 0 + 360 + 55 = 666.
It is not a de Polignac number, because 80171036055 - 21 = 80171036053 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80171036053) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 80980350 + ... + 80981339.
It is an arithmetic number, because the mean of its divisors is an integer number (6316505910).
Almost surely, 280171036055 is an apocalyptic number.
80171036055 is a deficient number, since it is larger than the sum of its proper divisors (71425105785).
80171036055 is a wasteful number, since it uses less digits than its factorization.
80171036055 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 161961711 (or 161961708 counting only the distinct ones).
The product of its (nonzero) digits is 25200, while the sum is 36.
The spelling of 80171036055 in words is "eighty billion, one hundred seventy-one million, thirty-six thousand, fifty-five".
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