Base | Representation |
---|---|
bin | 1101010110110000… |
… | …01011000011111001 |
3 | 200111201000022021000 |
4 | 12223120023003321 |
5 | 104141033123433 |
6 | 3143254235213 |
7 | 342453522324 |
oct | 65330130371 |
9 | 20451008230 |
10 | 7170207993 |
11 | 304a439433 |
12 | 1481355b09 |
13 | 8a365bb30 |
14 | 4c03c57bb |
15 | 2be73b113 |
hex | 1ab60b0f9 |
7170207993 has 16 divisors (see below), whose sum is σ = 11439648640. Its totient is φ = 4412435472.
The previous prime is 7170207931. The next prime is 7170208007. The reversal of 7170207993 is 3997020717.
It is not a de Polignac number, because 7170207993 - 221 = 7168110841 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (7170207293) 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, 10213621 + ... + 10214322.
It is an arithmetic number, because the mean of its divisors is an integer number (714978040).
Almost surely, 27170207993 is an apocalyptic number.
It is an amenable number.
7170207993 is a deficient number, since it is larger than the sum of its proper divisors (4269440647).
7170207993 is a wasteful number, since it uses less digits than its factorization.
7170207993 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20427965 (or 20427959 counting only the distinct ones).
The product of its (nonzero) digits is 166698, while the sum is 45.
The square root of 7170207993 is about 84677.0806830278. The cubic root of 7170207993 is about 1928.3117663600.
The spelling of 7170207993 in words is "seven billion, one hundred seventy million, two hundred seven thousand, nine hundred ninety-three".
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