Base | Representation |
---|---|
bin | 101010101000010… |
… | …0010110000001100 |
3 | 10200200112211221020 |
4 | 1111100202300030 |
5 | 10412140300022 |
6 | 353534234140 |
7 | 50306125266 |
oct | 12520426014 |
9 | 3620484836 |
10 | 1430400012 |
11 | 674472778 |
12 | 33b055950 |
13 | 19a463852 |
14 | d7d86b36 |
15 | 8589c35c |
hex | 55422c0c |
1430400012 has 48 divisors (see below), whose sum is σ = 3419176320. Its totient is φ = 465265792.
The previous prime is 1430399989. The next prime is 1430400019. The reversal of 1430400012 is 2100040341.
It is a junction number, because it is equal to n+sod(n) for n = 1430399964 and 1430400000.
It is not an unprimeable number, because it can be changed into a prime (1430400019) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89623 + ... + 104369.
It is an arithmetic number, because the mean of its divisors is an integer number (71232840).
Almost surely, 21430400012 is an apocalyptic number.
1430400012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1430400012 is an abundant number, since it is smaller than the sum of its proper divisors (1988776308).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1430400012 is a wasteful number, since it uses less digits than its factorization.
1430400012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14950 (or 14948 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 15.
The square root of 1430400012 is about 37820.6294500766. The cubic root of 1430400012 is about 1126.7282111419.
Adding to 1430400012 its reverse (2100040341), we get a palindrome (3530440353).
The spelling of 1430400012 in words is "one billion, four hundred thirty million, four hundred thousand, twelve".
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