Base | Representation |
---|---|
bin | 1000000000110… |
… | …10001100001101 |
3 | 11200110221012201 |
4 | 10000122030031 |
5 | 114201404031 |
6 | 10400401501 |
7 | 1444220266 |
oct | 400321415 |
9 | 150427181 |
10 | 67216141 |
11 | 34a3a533 |
12 | 1a616291 |
13 | 10c05685 |
14 | 8cd996d |
15 | 5d7ad61 |
hex | 401a30d |
67216141 has 2 divisors, whose sum is σ = 67216142. Its totient is φ = 67216140.
The previous prime is 67216103. The next prime is 67216159. The reversal of 67216141 is 14161276.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 59675625 + 7540516 = 7725^2 + 2746^2 .
It is a cyclic number.
It is not a de Polignac number, because 67216141 - 219 = 66691853 is a prime.
It is a super-2 number, since 2×672161412 = 9036019221863762, which contains 22 as substring.
It is an alternating number because its digits alternate between even and odd.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (67216841) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33608070 + 33608071.
It is an arithmetic number, because the mean of its divisors is an integer number (33608071).
Almost surely, 267216141 is an apocalyptic number.
It is an amenable number.
67216141 is a deficient number, since it is larger than the sum of its proper divisors (1).
67216141 is an equidigital number, since it uses as much as digits as its factorization.
67216141 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 2016, while the sum is 28.
The square root of 67216141 is about 8198.5450538495. The cubic root of 67216141 is about 406.5910910201.
The spelling of 67216141 in words is "sixty-seven million, two hundred sixteen thousand, one hundred forty-one".
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