Base | Representation |
---|---|
bin | 10000000110101… |
… | …000000000110101 |
3 | 200211101011121021 |
4 | 100012220000311 |
5 | 1023131002323 |
6 | 42450421141 |
7 | 6460266043 |
oct | 2006500065 |
9 | 624334537 |
10 | 270172213 |
11 | 129561423 |
12 | 765917b1 |
13 | 43c8631c |
14 | 27c4b393 |
15 | 18abb05d |
hex | 101a8035 |
270172213 has 2 divisors, whose sum is σ = 270172214. Its totient is φ = 270172212.
The previous prime is 270172183. The next prime is 270172291. The reversal of 270172213 is 312271072.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 196504324 + 73667889 = 14018^2 + 8583^2 .
It is a cyclic number.
It is not a de Polignac number, because 270172213 - 25 = 270172181 is a prime.
It is a super-3 number, since 3×2701722133 (a number of 26 digits) contains 333 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (270152213) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135086106 + 135086107.
It is an arithmetic number, because the mean of its divisors is an integer number (135086107).
Almost surely, 2270172213 is an apocalyptic number.
It is an amenable number.
270172213 is a deficient number, since it is larger than the sum of its proper divisors (1).
270172213 is an equidigital number, since it uses as much as digits as its factorization.
270172213 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1176, while the sum is 25.
The square root of 270172213 is about 16436.9161645365. The cubic root of 270172213 is about 646.4677932343.
The spelling of 270172213 in words is "two hundred seventy million, one hundred seventy-two thousand, two hundred thirteen".
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