Base | Representation |
---|---|
bin | 100101010101001101… |
… | …0110000000010111110 |
3 | 21122221002021022221102 |
4 | 1022222122300002332 |
5 | 2303141122104330 |
6 | 100455014133102 |
7 | 5535436302512 |
oct | 1125232600276 |
9 | 248832238842 |
10 | 80168550590 |
11 | 30aaa069697 |
12 | 13654351192 |
13 | 773802a4ab |
14 | 3c472d2142 |
15 | 21431b4945 |
hex | 12aa6b00be |
80168550590 has 32 divisors (see below), whose sum is σ = 144855419904. Its totient is φ = 31944875040.
The previous prime is 80168550523. The next prime is 80168550593. The reversal of 80168550590 is 9505586108.
80168550590 is nontrivially palindromic in base 9.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80168550593) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5799467 + ... + 5813273.
It is an arithmetic number, because the mean of its divisors is an integer number (4526731872).
Almost surely, 280168550590 is an apocalyptic number.
80168550590 is a deficient number, since it is larger than the sum of its proper divisors (64686869314).
80168550590 is a wasteful number, since it uses less digits than its factorization.
80168550590 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15992.
The product of its (nonzero) digits is 432000, while the sum is 47.
The spelling of 80168550590 in words is "eighty billion, one hundred sixty-eight million, five hundred fifty thousand, five hundred ninety".
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