Base | Representation |
---|---|
bin | 100101010101001101… |
… | …0010101100011000111 |
3 | 21122221002001211001121 |
4 | 1022222122111203013 |
5 | 2303141110121210 |
6 | 100455011534411 |
7 | 5535435341212 |
oct | 1125232254307 |
9 | 248832054047 |
10 | 80168442055 |
11 | 30aa9aa5099 |
12 | 136542ba407 |
13 | 7737cbcc80 |
14 | 3c472a4779 |
15 | 21431926da |
hex | 12aa6958c7 |
80168442055 has 32 divisors (see below), whose sum is σ = 107869220928. Its totient is φ = 56810419200.
The previous prime is 80168441993. The next prime is 80168442071. The reversal of 80168442055 is 55024486108.
It is not a de Polignac number, because 80168442055 - 227 = 80034224327 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 84009 + ... + 409138.
It is an arithmetic number, because the mean of its divisors is an integer number (3370913154).
Almost surely, 280168442055 is an apocalyptic number.
80168442055 is a deficient number, since it is larger than the sum of its proper divisors (27700778873).
80168442055 is a wasteful number, since it uses less digits than its factorization.
80168442055 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 493267.
The product of its (nonzero) digits is 307200, while the sum is 43.
The spelling of 80168442055 in words is "eighty billion, one hundred sixty-eight million, four hundred forty-two thousand, fifty-five".
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