Base | Representation |
---|---|
bin | 1000001100100… |
… | …11010101000101 |
3 | 11210101102020001 |
4 | 10012103111011 |
5 | 120100322101 |
6 | 10453441301 |
7 | 1463313046 |
oct | 406232505 |
9 | 153342201 |
10 | 68760901 |
11 | 358a50a0 |
12 | 1b040231 |
13 | 11326831 |
14 | 91bc8cd |
15 | 6083901 |
hex | 4193545 |
68760901 has 16 divisors (see below), whose sum is σ = 77112000. Its totient is φ = 60784000.
The previous prime is 68760893. The next prime is 68760907. The reversal of 68760901 is 10906786.
It is a cyclic number.
It is not a de Polignac number, because 68760901 - 23 = 68760893 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68760907) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65025 + ... + 66073.
It is an arithmetic number, because the mean of its divisors is an integer number (4819500).
Almost surely, 268760901 is an apocalyptic number.
It is an amenable number.
68760901 is a deficient number, since it is larger than the sum of its proper divisors (8351099).
68760901 is a wasteful number, since it uses less digits than its factorization.
68760901 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1220.
The product of its (nonzero) digits is 18144, while the sum is 37.
The square root of 68760901 is about 8292.2193048665. The cubic root of 68760901 is about 409.6822860862.
The spelling of 68760901 in words is "sixty-eight million, seven hundred sixty thousand, nine hundred one".
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