Base | Representation |
---|---|
bin | 1110101000010… |
… | …10101101110101 |
3 | 22112221012012000 |
4 | 13110022231311 |
5 | 222404233120 |
6 | 20102245513 |
7 | 3020110332 |
oct | 724125565 |
9 | 275835160 |
10 | 122727285 |
11 | 6330490a |
12 | 35126899 |
13 | 1c5703c5 |
14 | 12429989 |
15 | ab93990 |
hex | 750ab75 |
122727285 has 16 divisors (see below), whose sum is σ = 218182080. Its totient is φ = 65454480.
The previous prime is 122727271. The next prime is 122727299. The reversal of 122727285 is 582727221.
It is an interprime number because it is at equal distance from previous prime (122727271) and next prime (122727299).
It is not a de Polignac number, because 122727285 - 218 = 122465141 is a prime.
It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 454411 + ... + 454680.
It is an arithmetic number, because the mean of its divisors is an integer number (13636380).
Almost surely, 2122727285 is an apocalyptic number.
122727285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
122727285 is a deficient number, since it is larger than the sum of its proper divisors (95454795).
122727285 is an equidigital number, since it uses as much as digits as its factorization.
122727285 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 909105 (or 909099 counting only the distinct ones).
The product of its digits is 31360, while the sum is 36.
The square root of 122727285 is about 11078.2347420516. The cubic root of 122727285 is about 496.9511602730.
The spelling of 122727285 in words is "one hundred twenty-two million, seven hundred twenty-seven thousand, two hundred eighty-five".
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