Base | Representation |
---|---|
bin | 1000001000001… |
… | …01100001001100 |
3 | 11202021220102211 |
4 | 10010011201030 |
5 | 114423230134 |
6 | 10433200204 |
7 | 1455343432 |
oct | 404054114 |
9 | 152256384 |
10 | 68180044 |
11 | 35538749 |
12 | 1aa00064 |
13 | 1118232a |
14 | 90aad52 |
15 | 5ebb764 |
hex | 410584c |
68180044 has 24 divisors (see below), whose sum is σ = 123963840. Its totient is φ = 32772096.
The previous prime is 68180017. The next prime is 68180053. The reversal of 68180044 is 44008186.
It is a junction number, because it is equal to n+sod(n) for n = 68179988 and 68180015.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28669 + ... + 30955.
It is an arithmetic number, because the mean of its divisors is an integer number (5165160).
Almost surely, 268180044 is an apocalyptic number.
It is an amenable number.
68180044 is a deficient number, since it is larger than the sum of its proper divisors (55783796).
68180044 is a wasteful number, since it uses less digits than its factorization.
68180044 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2577 (or 2575 counting only the distinct ones).
The product of its (nonzero) digits is 6144, while the sum is 31.
The square root of 68180044 is about 8257.1208057046. The cubic root of 68180044 is about 408.5254268014.
The spelling of 68180044 in words is "sixty-eight million, one hundred eighty thousand, forty-four".
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