Base | Representation |
---|---|
bin | 101010111010100… |
… | …1101011011101110 |
3 | 10201100122012010022 |
4 | 1111311031123232 |
5 | 10422120341024 |
6 | 354520242142 |
7 | 50453620520 |
oct | 12565153356 |
9 | 3640565108 |
10 | 1440012014 |
11 | 679938381 |
12 | 342310352 |
13 | 19c44a91c |
14 | d9369a10 |
15 | 8664a35e |
hex | 55d4d6ee |
1440012014 has 64 divisors (see below), whose sum is σ = 2763279360. Its totient is φ = 548570880.
The previous prime is 1440012001. The next prime is 1440012017. The reversal of 1440012014 is 4102100441.
It is a junction number, because it is equal to n+sod(n) for n = 1440011983 and 1440012001.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1440012017) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 322034 + ... + 326474.
It is an arithmetic number, because the mean of its divisors is an integer number (43176240).
Almost surely, 21440012014 is an apocalyptic number.
1440012014 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
1440012014 is a deficient number, since it is larger than the sum of its proper divisors (1323267346).
1440012014 is a wasteful number, since it uses less digits than its factorization.
1440012014 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4545.
The product of its (nonzero) digits is 128, while the sum is 17.
The square root of 1440012014 is about 37947.4902200396. The cubic root of 1440012014 is about 1129.2463750948.
Adding to 1440012014 its reverse (4102100441), we get a palindrome (5542112455).
The spelling of 1440012014 in words is "one billion, four hundred forty million, twelve thousand, fourteen".
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