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1440130010240 = 2752250203141
BaseRepresentation
bin10100111101001110011…
…100000000110010000000
312002200020010200112111102
4110331032130000302000
5142043341240311430
63021330412033532
7206021523053315
oct24751634006200
95080203615442
101440130010240
11505834934a09
121b31347628a8
13a5a5a8a976c
144d9ba17ad0c
15276db278345
hex14f4e700c80

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".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 320 640 2250203141 4500406282 9000812564 11251015705 18001625128 22502031410 36003250256 45004062820 72006500512 90008125640 144013001024 180016251280 288026002048 360032502560 720065005120 1440130010240