Base | Representation |
---|---|
bin | 100001011110011… |
… | …0010001000000010 |
3 | 2220021120000011220 |
4 | 1002330302020002 |
5 | 4300021331320 |
6 | 303242415510 |
7 | 36556204434 |
oct | 10274621002 |
9 | 2807500156 |
10 | 1123230210 |
11 | 527041533 |
12 | 274201596 |
13 | 14b92547b |
14 | a9268654 |
15 | 68923e40 |
hex | 42f32202 |
1123230210 has 64 divisors (see below), whose sum is σ = 2781143424. Its totient is φ = 290188800.
The previous prime is 1123230209. The next prime is 1123230211. The reversal of 1123230210 is 120323211.
1123230210 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (1123230209) and next prime (1123230211).
It is a super-2 number, since 2×11232302102 = 2523292209313288200, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 1123230210.
It is not an unprimeable number, because it can be changed into a prime (1123230211) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 118030 + ... + 127190.
It is an arithmetic number, because the mean of its divisors is an integer number (43455366).
Almost surely, 21123230210 is an apocalyptic number.
1123230210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 1123230210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1390571712).
1123230210 is an abundant number, since it is smaller than the sum of its proper divisors (1657913214).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1123230210 is a wasteful number, since it uses less digits than its factorization.
1123230210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9299.
The product of its (nonzero) digits is 72, while the sum is 15.
The square root of 1123230210 is about 33514.6268068138. The cubic root of 1123230210 is about 1039.4962457997.
Adding to 1123230210 its reverse (120323211), we get a palindrome (1243553421).
The spelling of 1123230210 in words is "one billion, one hundred twenty-three million, two hundred thirty thousand, two hundred ten".
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