Base | Representation |
---|---|
bin | 1001100011110… |
… | …11111001111101 |
3 | 12120220112202012 |
4 | 10301323321331 |
5 | 131012334133 |
6 | 11542541005 |
7 | 1662453116 |
oct | 461737175 |
9 | 176815665 |
10 | 80199293 |
11 | 412a7a09 |
12 | 22a37765 |
13 | 13800005 |
14 | a91920d |
15 | 7092b48 |
hex | 4c7be7d |
80199293 has 2 divisors, whose sum is σ = 80199294. Its totient is φ = 80199292.
The previous prime is 80199283. The next prime is 80199341. The reversal of 80199293 is 39299108.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 49252324 + 30946969 = 7018^2 + 5563^2 .
It is a cyclic number.
It is not a de Polignac number, because 80199293 - 24 = 80199277 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 80199293.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (80199253) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40099646 + 40099647.
It is an arithmetic number, because the mean of its divisors is an integer number (40099647).
Almost surely, 280199293 is an apocalyptic number.
It is an amenable number.
80199293 is a deficient number, since it is larger than the sum of its proper divisors (1).
80199293 is an equidigital number, since it uses as much as digits as its factorization.
80199293 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 34992, while the sum is 41.
The square root of 80199293 is about 8955.4057976174. The cubic root of 80199293 is about 431.2444444289.
The spelling of 80199293 in words is "eighty million, one hundred ninety-nine thousand, two hundred ninety-three".
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