Base | Representation |
---|---|
bin | 111011101011010… |
… | …111001101110110 |
3 | 2120202222101210110 |
4 | 323223113031312 |
5 | 4022303114110 |
6 | 243203403450 |
7 | 33545153403 |
oct | 7353271566 |
9 | 2522871713 |
10 | 1001223030 |
11 | 474189755 |
12 | 23b383586 |
13 | 12c577a82 |
14 | 96d892aa |
15 | 5cd73a20 |
hex | 3bad7376 |
1001223030 has 16 divisors (see below), whose sum is σ = 2402935344. Its totient is φ = 266992800.
The previous prime is 1001223029. The next prime is 1001223079. The reversal of 1001223030 is 303221001.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 1001222997 and 1001223015.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16687021 + ... + 16687080.
It is an arithmetic number, because the mean of its divisors is an integer number (150183459).
Almost surely, 21001223030 is an apocalyptic number.
1001223030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1001223030 is an abundant number, since it is smaller than the sum of its proper divisors (1401712314).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1001223030 is a wasteful number, since it uses less digits than its factorization.
1001223030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33374111.
The product of its (nonzero) digits is 36, while the sum is 12.
The square root of 1001223030 is about 31642.1084948522. The cubic root of 1001223030 is about 1000.4075105792.
Adding to 1001223030 its reverse (303221001), we get a palindrome (1304444031).
The spelling of 1001223030 in words is "one billion, one million, two hundred twenty-three thousand, thirty".
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