Base | Representation |
---|---|
bin | 1000001110001… |
… | …00111000111001 |
3 | 11210202201200102 |
4 | 10013010320321 |
5 | 120123321042 |
6 | 10502045145 |
7 | 1465116632 |
oct | 407047071 |
9 | 153681612 |
10 | 68963897 |
11 | 35a23662 |
12 | 1b1197b5 |
13 | 11398052 |
14 | 9232889 |
15 | 60c3b32 |
hex | 41c4e39 |
68963897 has 2 divisors, whose sum is σ = 68963898. Its totient is φ = 68963896.
The previous prime is 68963891. The next prime is 68963957. The reversal of 68963897 is 79836986.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 64818601 + 4145296 = 8051^2 + 2036^2 .
It is a cyclic number.
It is not a de Polignac number, because 68963897 - 212 = 68959801 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (68963891) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34481948 + 34481949.
It is an arithmetic number, because the mean of its divisors is an integer number (34481949).
Almost surely, 268963897 is an apocalyptic number.
It is an amenable number.
68963897 is a deficient number, since it is larger than the sum of its proper divisors (1).
68963897 is an equidigital number, since it uses as much as digits as its factorization.
68963897 is an evil number, because the sum of its binary digits is even.
The product of its digits is 3919104, while the sum is 56.
The square root of 68963897 is about 8304.4504333520. The cubic root of 68963897 is about 410.0850448211.
The spelling of 68963897 in words is "sixty-eight million, nine hundred sixty-three thousand, eight hundred ninety-seven".
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