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1440203104424 = 237171512818387
BaseRepresentation
bin10100111101010010110…
…010110110000010101000
312002200102020020002212102
4110331102302312002220
5142044013443320144
63021341542432532
7206023401255020
oct24752262660250
95080366202772
101440203104424
11505872119727
121b3155132748
13a5a6ca8c766
144d9c5b66a80
15276e28b5b4e
hex14f52cb60a8

1440203104424 has 32 divisors (see below), whose sum is σ = 3267687718080. Its totient is φ = 580922260224.

The previous prime is 1440203104411. The next prime is 1440203104447. The reversal of 1440203104424 is 4244013020441.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 756408242 + ... + 756410145.

It is an arithmetic number, because the mean of its divisors is an integer number (102115241190).

Almost surely, 21440203104424 is an apocalyptic number.

1440203104424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1440203104424 is an abundant number, since it is smaller than the sum of its proper divisors (1827484613656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1440203104424 is a wasteful number, since it uses less digits than its factorization.

1440203104424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1512818417 (or 1512818413 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 1440203104424 its reverse (4244013020441), we get a palindrome (5684216124865).

The spelling of 1440203104424 in words is "one trillion, four hundred forty billion, two hundred three million, one hundred four thousand, four hundred twenty-four".

Divisors: 1 2 4 7 8 14 17 28 34 56 68 119 136 238 476 952 1512818387 3025636774 6051273548 10589728709 12102547096 21179457418 25717912579 42358914836 51435825158 84717829672 102871650316 180025388053 205743300632 360050776106 720101552212 1440203104424