Base | Representation |
---|---|
bin | 101010010110010… |
… | …1100110101100010 |
3 | 10200000212111012121 |
4 | 1110230230311202 |
5 | 10402234113010 |
6 | 353001014454 |
7 | 50133223120 |
oct | 12454546542 |
9 | 3600774177 |
10 | 1421004130 |
11 | 66a135487 |
12 | 337a8442a |
13 | 198523c60 |
14 | d6a1c910 |
15 | 84b433da |
hex | 54b2cd62 |
1421004130 has 64 divisors (see below), whose sum is σ = 3191344128. Its totient is φ = 443543040.
The previous prime is 1421004127. The next prime is 1421004131. The reversal of 1421004130 is 314001241.
It is not an unprimeable number, because it can be changed into a prime (1421004131) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55735 + ... + 77125.
It is an arithmetic number, because the mean of its divisors is an integer number (49864752).
Almost surely, 21421004130 is an apocalyptic number.
1421004130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1421004130 is an abundant number, since it is smaller than the sum of its proper divisors (1770339998).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1421004130 is a wasteful number, since it uses less digits than its factorization.
1421004130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21491.
The product of its (nonzero) digits is 96, while the sum is 16.
The square root of 1421004130 is about 37696.2084300265. The cubic root of 1421004130 is about 1124.2557395015.
Adding to 1421004130 its reverse (314001241), we get a palindrome (1735005371).
The spelling of 1421004130 in words is "one billion, four hundred twenty-one million, four thousand, one hundred thirty".
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