Base | Representation |
---|---|
bin | 111101011101110… |
… | …011011101001010 |
3 | 2122212102120011200 |
4 | 331131303131022 |
5 | 4102443114424 |
6 | 250154405030 |
7 | 34361152245 |
oct | 7535633512 |
9 | 2585376150 |
10 | 1031223114 |
11 | 48a10a209 |
12 | 249430776 |
13 | 13584cabc |
14 | 9ad5825c |
15 | 607ec8c9 |
hex | 3d77374a |
1031223114 has 12 divisors (see below), whose sum is σ = 2234316786. Its totient is φ = 343741032.
The previous prime is 1031223113. The next prime is 1031223121. The reversal of 1031223114 is 4113221301.
It can be written as a sum of positive squares in only one way, i.e., 556724025 + 474499089 = 23595^2 + 21783^2 .
It is a super-2 number, since 2×10312231142 = 2126842221695713992, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 57290173 = 1031223114 / (1 + 0 + 3 + 1 + 2 + 2 + 3 + 1 + 1 + 4).
It is not an unprimeable number, because it can be changed into a prime (1031223113) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28645069 + ... + 28645104.
Almost surely, 21031223114 is an apocalyptic number.
1031223114 is an abundant number, since it is smaller than the sum of its proper divisors (1203093672).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1031223114 is a wasteful number, since it uses less digits than its factorization.
1031223114 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 57290181 (or 57290178 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
The square root of 1031223114 is about 32112.6628294821. The cubic root of 1031223114 is about 1010.3012250567.
Adding to 1031223114 its reverse (4113221301), we get a palindrome (5144444415).
The spelling of 1031223114 in words is "one billion, thirty-one million, two hundred twenty-three thousand, one hundred fourteen".
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