Base | Representation |
---|---|
bin | 1001100011110… |
… | …11100100001111 |
3 | 12120220110211201 |
4 | 10301323210033 |
5 | 131012313103 |
6 | 11542530331 |
7 | 1662446062 |
oct | 461734417 |
9 | 176813751 |
10 | 80197903 |
11 | 412a6965 |
12 | 22a369a7 |
13 | 137cc4a6 |
14 | a9188d9 |
15 | 709251d |
hex | 4c7b90f |
80197903 has 2 divisors, whose sum is σ = 80197904. Its totient is φ = 80197902.
The previous prime is 80197867. The next prime is 80197919. The reversal of 80197903 is 30979108.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 80197903 - 29 = 80197391 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (80198903) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40098951 + 40098952.
It is an arithmetic number, because the mean of its divisors is an integer number (40098952).
Almost surely, 280197903 is an apocalyptic number.
80197903 is a deficient number, since it is larger than the sum of its proper divisors (1).
80197903 is an equidigital number, since it uses as much as digits as its factorization.
80197903 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 13608, while the sum is 37.
The square root of 80197903 is about 8955.3281905243. The cubic root of 80197903 is about 431.2419529969.
The spelling of 80197903 in words is "eighty million, one hundred ninety-seven thousand, nine hundred three".
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