Base | Representation |
---|---|
bin | 100001011101111… |
… | …1001111110010010 |
3 | 2220021010022200101 |
4 | 1002323321332102 |
5 | 4244442001320 |
6 | 303233443014 |
7 | 36554226043 |
oct | 10273717622 |
9 | 2807108611 |
10 | 1123000210 |
11 | 5269a4752 |
12 | 27411046a |
13 | 14b874887 |
14 | a92088ca |
15 | 688cac0a |
hex | 42ef9f92 |
1123000210 has 16 divisors (see below), whose sum is σ = 2026603800. Its totient is φ = 448043776.
The previous prime is 1123000171. The next prime is 1123000217. The reversal of 1123000210 is 120003211.
It can be written as a sum of positive squares in 4 ways, for example, as 824436369 + 298563841 = 28713^2 + 17279^2 .
It is a super-2 number, since 2×11230002102 = 2522258943320088200, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (10).
It is not an unprimeable number, because it can be changed into a prime (1123000217) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140455 + ... + 148234.
Almost surely, 21123000210 is an apocalyptic number.
1123000210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1123000210 is a deficient number, since it is larger than the sum of its proper divisors (903603590).
1123000210 is a wasteful number, since it uses less digits than its factorization.
1123000210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 289085.
The product of its (nonzero) digits is 12, while the sum is 10.
The square root of 1123000210 is about 33511.1952935135. The cubic root of 1123000210 is about 1039.4252895952.
Adding to 1123000210 its reverse (120003211), we get a palindrome (1243003421).
The spelling of 1123000210 in words is "one billion, one hundred twenty-three million, two hundred ten", and thus it is an aban number.
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