Base | Representation |
---|---|
bin | 1110101010010… |
… | …11111010001001 |
3 | 22120102202110221 |
4 | 13111023322021 |
5 | 222441304223 |
6 | 20112110041 |
7 | 3022302001 |
oct | 725137211 |
9 | 276382427 |
10 | 122994313 |
11 | 634774a2 |
12 | 35235321 |
13 | 1c634b00 |
14 | 12499001 |
15 | abe7b5d |
hex | 754be89 |
122994313 has 6 divisors (see below), whose sum is σ = 133183374. Its totient is φ = 113533056.
The previous prime is 122994299. The next prime is 122994323. The reversal of 122994313 is 313499221.
It can be written as a sum of positive squares in 3 ways, for example, as 3485689 + 119508624 = 1867^2 + 10932^2 .
It is a de Polignac number, because none of the positive numbers 2k-122994313 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (122994323) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 363720 + ... + 364057.
It is an arithmetic number, because the mean of its divisors is an integer number (22197229).
Almost surely, 2122994313 is an apocalyptic number.
122994313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
122994313 is a deficient number, since it is larger than the sum of its proper divisors (10189061).
122994313 is an equidigital number, since it uses as much as digits as its factorization.
122994313 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 727803 (or 727790 counting only the distinct ones).
The product of its digits is 11664, while the sum is 34.
The square root of 122994313 is about 11090.2801136851. The cubic root of 122994313 is about 497.3113185663.
The spelling of 122994313 in words is "one hundred twenty-two million, nine hundred ninety-four thousand, three hundred thirteen".
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