Base | Representation |
---|---|
bin | 100101100011100000… |
… | …0011111110001010101 |
3 | 21201011111211102110010 |
4 | 1023013000133301111 |
5 | 2310131420114240 |
6 | 101014350550433 |
7 | 5553352311141 |
oct | 1130700376125 |
9 | 251144742403 |
10 | 80648207445 |
11 | 312258a0a13 |
12 | 13768b08419 |
13 | 77b350bc10 |
14 | 3c90cb0221 |
15 | 2170360280 |
hex | 12c701fc55 |
80648207445 has 64 divisors (see below), whose sum is σ = 141327373824. Its totient is φ = 39031787520.
The previous prime is 80648207441. The next prime is 80648207447. The reversal of 80648207445 is 54470284608.
It is not a de Polignac number, because 80648207445 - 22 = 80648207441 is a prime.
It is a super-3 number, since 3×806482074453 (a number of 34 digits) contains 333 as substring.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 80648207394 and 80648207403.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80648207441) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4417977 + ... + 4436193.
It is an arithmetic number, because the mean of its divisors is an integer number (2208240216).
Almost surely, 280648207445 is an apocalyptic number.
It is an amenable number.
80648207445 is a deficient number, since it is larger than the sum of its proper divisors (60679166379).
80648207445 is a wasteful number, since it uses less digits than its factorization.
80648207445 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18622.
The product of its (nonzero) digits is 1720320, while the sum is 48.
The spelling of 80648207445 in words is "eighty billion, six hundred forty-eight million, two hundred seven thousand, four hundred forty-five".
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