Base | Representation |
---|---|
bin | 1111001001001… |
… | …00101111100011 |
3 | 22212000200220222 |
4 | 13210210233203 |
5 | 230004400240 |
6 | 20334353255 |
7 | 3101502410 |
oct | 744445743 |
9 | 285020828 |
10 | 127028195 |
11 | 65782188 |
12 | 3665b82b |
13 | 20417c18 |
14 | 12c29107 |
15 | b242eb5 |
hex | 7924be3 |
127028195 has 16 divisors (see below), whose sum is σ = 181785600. Its totient is φ = 83317344.
The previous prime is 127028183. The next prime is 127028197. The reversal of 127028195 is 591820721.
It is a cyclic number.
It is not a de Polignac number, because 127028195 - 216 = 126962659 is a prime.
It is a super-2 number, since 2×1270281952 = 32272324649916050, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (35).
It is not an unprimeable number, because it can be changed into a prime (127028197) 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, 78095 + ... + 79704.
It is an arithmetic number, because the mean of its divisors is an integer number (11361600).
Almost surely, 2127028195 is an apocalyptic number.
127028195 is a deficient number, since it is larger than the sum of its proper divisors (54757405).
127028195 is a wasteful number, since it uses less digits than its factorization.
127028195 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 157834.
The product of its (nonzero) digits is 10080, while the sum is 35.
The square root of 127028195 is about 11270.6785510013. The cubic root of 127028195 is about 502.6897643884.
It can be divided in two parts, 12 and 7028195, that added together give a palindrome (7028207).
The spelling of 127028195 in words is "one hundred twenty-seven million, twenty-eight thousand, one hundred ninety-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •