Base | Representation |
---|---|
bin | 111111100111011000… |
… | …010110100001010110 |
3 | 20112022101121011122012 |
4 | 333213120112201112 |
5 | 2104342421230123 |
6 | 51213551504222 |
7 | 4635461034620 |
oct | 774730264126 |
9 | 215271534565 |
10 | 68306430038 |
11 | 26a72220980 |
12 | 112a3828072 |
13 | 659760ca52 |
14 | 343db25c10 |
15 | 1b9bacc378 |
hex | fe7616856 |
68306430038 has 32 divisors (see below), whose sum is σ = 127842140160. Its totient is φ = 26592010560.
The previous prime is 68306430029. The next prime is 68306430209. The reversal of 68306430038 is 83003460386.
It is a junction number, because it is equal to n+sod(n) for n = 68306429977 and 68306430004.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23570 + ... + 370362.
It is an arithmetic number, because the mean of its divisors is an integer number (3995066880).
Almost surely, 268306430038 is an apocalyptic number.
68306430038 is a deficient number, since it is larger than the sum of its proper divisors (59535710122).
68306430038 is a wasteful number, since it uses less digits than its factorization.
68306430038 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 348092.
The product of its (nonzero) digits is 248832, while the sum is 41.
The spelling of 68306430038 in words is "sixty-eight billion, three hundred six million, four hundred thirty thousand, thirty-eight".
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