Base | Representation |
---|---|
bin | 111111100001110011… |
… | …000011011111010001 |
3 | 20112001212100120122200 |
4 | 333201303003133101 |
5 | 2104144432013143 |
6 | 51200404153413 |
7 | 4633242643602 |
oct | 774163033721 |
9 | 215055316580 |
10 | 68212766673 |
11 | 26a24368237 |
12 | 11278398869 |
13 | 65810a753c |
14 | 3431503da9 |
15 | 1b9377a1d3 |
hex | fe1cc37d1 |
68212766673 has 24 divisors (see below), whose sum is σ = 101614875648. Its totient is φ = 44067838752.
The previous prime is 68212766663. The next prime is 68212766717. The reversal of 68212766673 is 37666721286.
It is not a de Polignac number, because 68212766673 - 25 = 68212766641 is a prime.
It is not an unprimeable number, because it can be changed into a prime (68212766663) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 644790 + ... + 743087.
It is an arithmetic number, because the mean of its divisors is an integer number (4233953152).
Almost surely, 268212766673 is an apocalyptic number.
It is an amenable number.
68212766673 is a deficient number, since it is larger than the sum of its proper divisors (33402108975).
68212766673 is a wasteful number, since it uses less digits than its factorization.
68212766673 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1388053 (or 1388050 counting only the distinct ones).
The product of its digits is 6096384, while the sum is 54.
The spelling of 68212766673 in words is "sixty-eight billion, two hundred twelve million, seven hundred sixty-six thousand, six hundred seventy-three".
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