Base | Representation |
---|---|
bin | 101000000011011… |
… | …1101000010110101 |
3 | 10110122222021122111 |
4 | 1100012331002311 |
5 | 10223031001211 |
6 | 341210331021 |
7 | 45206545606 |
oct | 12006750265 |
9 | 3418867574 |
10 | 1344000181 |
11 | 62a720257 |
12 | 316129a71 |
13 | 1855a24a4 |
14 | ca6d5dad |
15 | 7ced2421 |
hex | 501bd0b5 |
1344000181 has 2 divisors, whose sum is σ = 1344000182. Its totient is φ = 1344000180.
The previous prime is 1344000179. The next prime is 1344000209. The reversal of 1344000181 is 1810004431.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1269781956 + 74218225 = 35634^2 + 8615^2 .
It is a cyclic number.
It is not a de Polignac number, because 1344000181 - 21 = 1344000179 is a prime.
It is a super-2 number, since 2×13440001812 = 3612672973056065522, which contains 22 as substring.
Together with 1344000179, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1344000121) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672000090 + 672000091.
It is an arithmetic number, because the mean of its divisors is an integer number (672000091).
Almost surely, 21344000181 is an apocalyptic number.
It is an amenable number.
1344000181 is a deficient number, since it is larger than the sum of its proper divisors (1).
1344000181 is an equidigital number, since it uses as much as digits as its factorization.
1344000181 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 384, while the sum is 22.
The square root of 1344000181 is about 36660.6080282365. The cubic root of 1344000181 is about 1103.5697200927.
The spelling of 1344000181 in words is "one billion, three hundred forty-four million, one hundred eighty-one", and thus it is an aban number.
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