Base | Representation |
---|---|
bin | 1001100011010… |
… | …01100000111111 |
3 | 12120202201102100 |
4 | 10301221200333 |
5 | 131002431332 |
6 | 11541200143 |
7 | 1662020400 |
oct | 461514077 |
9 | 176681370 |
10 | 80123967 |
11 | 41256360 |
12 | 22a00053 |
13 | 137a4941 |
14 | a8d99a7 |
15 | 707a67c |
hex | 4c6983f |
80123967 has 72 divisors (see below), whose sum is σ = 149385600. Its totient is φ = 40914720.
The previous prime is 80123959. The next prime is 80123977. The reversal of 80123967 is 76932108.
It is not a de Polignac number, because 80123967 - 23 = 80123959 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80123957) by changing a digit.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 402534 + ... + 402732.
It is an arithmetic number, because the mean of its divisors is an integer number (2074800).
Almost surely, 280123967 is an apocalyptic number.
80123967 is a deficient number, since it is larger than the sum of its proper divisors (69261633).
80123967 is a wasteful number, since it uses less digits than its factorization.
80123967 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 313 (or 303 counting only the distinct ones).
The product of its (nonzero) digits is 18144, while the sum is 36.
The square root of 80123967 is about 8951.1991934042. The cubic root of 80123967 is about 431.1093888146.
The spelling of 80123967 in words is "eighty million, one hundred twenty-three thousand, nine hundred sixty-seven".
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