Base | Representation |
---|---|
bin | 100101010101010110… |
… | …0100001110100101011 |
3 | 21122221102001002201100 |
4 | 1022222230201310223 |
5 | 2303143320222143 |
6 | 100455302052443 |
7 | 5535524022501 |
oct | 1125254416453 |
9 | 248842032640 |
10 | 80173210923 |
11 | 31001762003 |
12 | 13655a1a123 |
13 | 7738c9c7a0 |
14 | 3c47b86671 |
15 | 21437d56d3 |
hex | 12aab21d2b |
80173210923 has 48 divisors (see below), whose sum is σ = 125202299040. Its totient is φ = 49144568832.
The previous prime is 80173210919. The next prime is 80173210969. The reversal of 80173210923 is 32901237108.
It is not a de Polignac number, because 80173210923 - 22 = 80173210919 is a prime.
It is not an unprimeable number, because it can be changed into a prime (80173210973) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 56182336 + ... + 56183762.
It is an arithmetic number, because the mean of its divisors is an integer number (2608381230).
Almost surely, 280173210923 is an apocalyptic number.
80173210923 is a deficient number, since it is larger than the sum of its proper divisors (45029088117).
80173210923 is a wasteful number, since it uses less digits than its factorization.
80173210923 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2988 (or 2985 counting only the distinct ones).
The product of its (nonzero) digits is 18144, while the sum is 36.
The spelling of 80173210923 in words is "eighty billion, one hundred seventy-three million, two hundred ten thousand, nine hundred twenty-three".
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