Base | Representation |
---|---|
bin | 1000001100101… |
… | …11000001101011 |
3 | 11210102011222212 |
4 | 10012113001223 |
5 | 120101313133 |
6 | 10454035335 |
7 | 1463405150 |
oct | 406270153 |
9 | 153364885 |
10 | 68776043 |
11 | 35905506 |
12 | 1b048b4b |
13 | 113306ab |
14 | 91c4227 |
15 | 6088148 |
hex | 419706b |
68776043 has 4 divisors (see below), whose sum is σ = 78601200. Its totient is φ = 58950888.
The previous prime is 68776039. The next prime is 68776061. The reversal of 68776043 is 34067786.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 68776043 - 22 = 68776039 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (68776013) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4912568 + ... + 4912581.
It is an arithmetic number, because the mean of its divisors is an integer number (19650300).
Almost surely, 268776043 is an apocalyptic number.
68776043 is a deficient number, since it is larger than the sum of its proper divisors (9825157).
68776043 is an equidigital number, since it uses as much as digits as its factorization.
68776043 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9825156.
The product of its (nonzero) digits is 169344, while the sum is 41.
The square root of 68776043 is about 8293.1322791814. The cubic root of 68776043 is about 409.7123562461.
The spelling of 68776043 in words is "sixty-eight million, seven hundred seventy-six thousand, forty-three".
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