Base | Representation |
---|---|
bin | 100100100100100… |
… | …1000111011010110 |
3 | 10011112001210111200 |
4 | 1021021020323112 |
5 | 10003121221010 |
6 | 321433413330 |
7 | 42260312103 |
oct | 11111107326 |
9 | 3145053450 |
10 | 1227132630 |
11 | 57a7589a9 |
12 | 2a2b6a246 |
13 | 1673042a9 |
14 | b8d93aaa |
15 | 72ae9cc0 |
hex | 49248ed6 |
1227132630 has 24 divisors (see below), whose sum is σ = 3190545072. Its totient is φ = 327235344.
The previous prime is 1227132617. The next prime is 1227132649. The reversal of 1227132630 is 362317221.
1227132630 is a `hidden beast` number, since 1 + 2 + 27 + 1 + 3 + 2 + 630 = 666.
It is a super-2 number, since 2×12271326302 = 3011708983221433800, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1227132594 and 1227132603.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6817314 + ... + 6817493.
It is an arithmetic number, because the mean of its divisors is an integer number (132939378).
Almost surely, 21227132630 is an apocalyptic number.
1227132630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1227132630 is an abundant number, since it is smaller than the sum of its proper divisors (1963412442).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1227132630 is a wasteful number, since it uses less digits than its factorization.
1227132630 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13634820 (or 13634817 counting only the distinct ones).
The product of its (nonzero) digits is 3024, while the sum is 27.
The square root of 1227132630 is about 35030.4528945887. The cubic root of 1227132630 is about 1070.6080423293.
Adding to 1227132630 its reverse (362317221), we get a palindrome (1589449851).
The spelling of 1227132630 in words is "one billion, two hundred twenty-seven million, one hundred thirty-two thousand, six hundred thirty".
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