Base | Representation |
---|---|
bin | 100101000101010… |
… | …1101110100111010 |
3 | 10012201102011102212 |
4 | 1022022231310322 |
5 | 10022021320010 |
6 | 323250055122 |
7 | 42556400141 |
oct | 11212556472 |
9 | 3181364385 |
10 | 1244323130 |
11 | 58942a426 |
12 | 2a887a4a2 |
13 | 16aa4299b |
14 | bb38a758 |
15 | 74393505 |
hex | 4a2add3a |
1244323130 has 8 divisors (see below), whose sum is σ = 2239781652. Its totient is φ = 497729248.
The previous prime is 1244323127. The next prime is 1244323139. The reversal of 1244323130 is 313234421.
It can be written as a sum of positive squares in 2 ways, for example, as 1222411369 + 21911761 = 34963^2 + 4681^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 1244323096 and 1244323105.
It is not an unprimeable number, because it can be changed into a prime (1244323139) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62216147 + ... + 62216166.
Almost surely, 21244323130 is an apocalyptic number.
1244323130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1244323130 is a deficient number, since it is larger than the sum of its proper divisors (995458522).
1244323130 is a wasteful number, since it uses less digits than its factorization.
1244323130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 124432320.
The product of its (nonzero) digits is 1728, while the sum is 23.
The square root of 1244323130 is about 35274.9646349929. The cubic root of 1244323130 is about 1075.5841440353.
Adding to 1244323130 its reverse (313234421), we get a palindrome (1557557551).
The spelling of 1244323130 in words is "one billion, two hundred forty-four million, three hundred twenty-three thousand, one hundred thirty".
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