Base | Representation |
---|---|
bin | 10100111101001110011… |
… | …100000000110010000000 |
3 | 12002200020010200112111102 |
4 | 110331032130000302000 |
5 | 142043341240311430 |
6 | 3021330412033532 |
7 | 206021523053315 |
oct | 24751634006200 |
9 | 5080203615442 |
10 | 1440130010240 |
11 | 505834934a09 |
12 | 1b31347628a8 |
13 | a5a5a8a976c |
14 | 4d9ba17ad0c |
15 | 276db278345 |
hex | 14f4e700c80 |
1440130010240 has 32 divisors (see below), whose sum is σ = 3442810807260. Its totient is φ = 576052003840.
The previous prime is 1440130010197. The next prime is 1440130010299. The reversal of 1440130010240 is 420100310441.
It can be written as a sum of positive squares in 2 ways, for example, as 1399716145216 + 40413865024 = 1183096^2 + 201032^2 .
It is a tau number, because it is divible by the number of its divisors (32).
It is a Harshad number since it is a multiple of its sum of digits (20).
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1125100931 + ... + 1125102210.
Almost surely, 21440130010240 is an apocalyptic number.
1440130010240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1440130010240 is an abundant number, since it is smaller than the sum of its proper divisors (2002680797020).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1440130010240 is an equidigital number, since it uses as much as digits as its factorization.
1440130010240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2250203160 (or 2250203148 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 20.
Adding to 1440130010240 its reverse (420100310441), we get a palindrome (1860230320681).
The spelling of 1440130010240 in words is "one trillion, four hundred forty billion, one hundred thirty million, ten thousand, two hundred forty".
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