Base | Representation |
---|---|
bin | 1000000100010… |
… | …11101101101010 |
3 | 11201100120001112 |
4 | 10002023231222 |
5 | 114311244010 |
6 | 10414350322 |
7 | 1451165036 |
oct | 402135552 |
9 | 151316045 |
10 | 67681130 |
11 | 35227920 |
12 | 1a7bb3a2 |
13 | 1103920a |
14 | 8dbb1c6 |
15 | 5e1da05 |
hex | 408bb6a |
67681130 has 32 divisors (see below), whose sum is σ = 133781760. Its totient is φ = 24448320.
The previous prime is 67681129. The next prime is 67681139. The reversal of 67681130 is 3118676.
It is not an unprimeable number, because it can be changed into a prime (67681139) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15311 + ... + 19229.
It is an arithmetic number, because the mean of its divisors is an integer number (4180680).
Almost surely, 267681130 is an apocalyptic number.
67681130 is a deficient number, since it is larger than the sum of its proper divisors (66100630).
67681130 is a wasteful number, since it uses less digits than its factorization.
67681130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4094.
The product of its (nonzero) digits is 6048, while the sum is 32.
The square root of 67681130 is about 8226.8541982948. The cubic root of 67681130 is about 407.5265116303.
The spelling of 67681130 in words is "sixty-seven million, six hundred eighty-one thousand, one hundred thirty".
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