Base | Representation |
---|---|
bin | 100001101100001… |
… | …0000111010101101 |
3 | 2220210010000020010 |
4 | 1003120100322231 |
5 | 4303342343341 |
6 | 304101043433 |
7 | 40004350410 |
oct | 10330207255 |
9 | 2823100203 |
10 | 1130434221 |
11 | 530111a64 |
12 | 2766b6579 |
13 | 1502784b7 |
14 | aa1c1b77 |
15 | 69398716 |
hex | 43610ead |
1130434221 has 8 divisors (see below), whose sum is σ = 1722566464. Its totient is φ = 645962400.
The previous prime is 1130434211. The next prime is 1130434223. The reversal of 1130434221 is 1224340311.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1130434221 - 214 = 1130417837 is a prime.
It is a super-3 number, since 3×11304342213 (a number of 28 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 53830201 = 1130434221 / (1 + 1 + 3 + 0 + 4 + 3 + 4 + 2 + 2 + 1).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1130434223) 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, 26915080 + ... + 26915121.
It is an arithmetic number, because the mean of its divisors is an integer number (215320808).
Almost surely, 21130434221 is an apocalyptic number.
It is an amenable number.
1130434221 is a deficient number, since it is larger than the sum of its proper divisors (592132243).
1130434221 is an equidigital number, since it uses as much as digits as its factorization.
1130434221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 53830211.
The product of its (nonzero) digits is 576, while the sum is 21.
The square root of 1130434221 is about 33621.9306554517. The cubic root of 1130434221 is about 1041.7138349998.
Adding to 1130434221 its reverse (1224340311), we get a palindrome (2354774532).
The spelling of 1130434221 in words is "one billion, one hundred thirty million, four hundred thirty-four thousand, two hundred twenty-one".
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