Base | Representation |
---|---|
bin | 111111011001001110… |
… | …000000001111001001 |
3 | 20111200211112011022000 |
4 | 333121032000033021 |
5 | 2103401110230142 |
6 | 51134223221213 |
7 | 4626544363530 |
oct | 773116001711 |
9 | 214624464260 |
10 | 68068836297 |
11 | 269600a1210 |
12 | 11238147809 |
13 | 655a322237 |
14 | 341a359317 |
15 | 1b85ce914c |
hex | fd93803c9 |
68068836297 has 32 divisors (see below), whose sum is σ = 125725992960. Its totient is φ = 35360433360.
The previous prime is 68068836293. The next prime is 68068836307. The reversal of 68068836297 is 79263886086.
68068836297 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 68068836297 - 22 = 68068836293 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (63).
It is not an unprimeable number, because it can be changed into a prime (68068836293) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16368493 + ... + 16372650.
It is an arithmetic number, because the mean of its divisors is an integer number (3928937280).
Almost surely, 268068836297 is an apocalyptic number.
It is an amenable number.
68068836297 is a deficient number, since it is larger than the sum of its proper divisors (57657156663).
68068836297 is a wasteful number, since it uses less digits than its factorization.
68068836297 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32741170 (or 32741164 counting only the distinct ones).
The product of its (nonzero) digits is 41803776, while the sum is 63.
The spelling of 68068836297 in words is "sixty-eight billion, sixty-eight million, eight hundred thirty-six thousand, two hundred ninety-seven".
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