Base | Representation |
---|---|
bin | 10100111101011000101… |
… | …101110100011011111110 |
3 | 12002200200011011101222010 |
4 | 110331120231310123332 |
5 | 142044214411403210 |
6 | 3021355452032050 |
7 | 206026015554354 |
oct | 24753055643376 |
9 | 5080604141863 |
10 | 1440302450430 |
11 | 505913203868 |
12 | 1b3182462626 |
13 | a5a8753468c |
14 | 4d9d50277d4 |
15 | 276eb48b920 |
hex | 14f58b746fe |
1440302450430 has 16 divisors (see below), whose sum is σ = 3456725881104. Its totient is φ = 384080653440.
The previous prime is 1440302450429. The next prime is 1440302450437. The reversal of 1440302450430 is 340542030441.
It is a super-2 number, since 2×14403024504302 (a number of 25 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 48010081681 = 1440302450430 / (1 + 4 + 4 + 0 + 3 + 0 + 2 + 4 + 5 + 0 + 4 + 3 + 0).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1440302450437) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24005040811 + ... + 24005040870.
It is an arithmetic number, because the mean of its divisors is an integer number (216045367569).
Almost surely, 21440302450430 is an apocalyptic number.
1440302450430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1440302450430 is an abundant number, since it is smaller than the sum of its proper divisors (2016423430674).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1440302450430 is a wasteful number, since it uses less digits than its factorization.
1440302450430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 48010081691.
The product of its (nonzero) digits is 23040, while the sum is 30.
Adding to 1440302450430 its reverse (340542030441), we get a palindrome (1780844480871).
The spelling of 1440302450430 in words is "one trillion, four hundred forty billion, three hundred two million, four hundred fifty thousand, four hundred thirty".
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