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1440021314411 = 43229731457749
BaseRepresentation
bin10100111101000111111…
…101010111101101101011
312002122221120011012211222
4110331013331113231223
5142043130424030121
63021311530212255
7206016033133001
oct24750775275553
95078846135758
101440021314411
11505789544149
121b310428408b
13a5a4120cbc4
144d9a9964a71
15276d19570ab
hex14f47f57b6b

1440021314411 has 8 divisors (see below), whose sum is σ = 1473575334000. Its totient is φ = 1406470256352.

The previous prime is 1440021314383. The next prime is 1440021314419. The reversal of 1440021314411 is 1144131200441.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1440021314411 is a prime.

It is a super-2 number, since 2×14400213144112 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1440021314419) 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, 258965 + ... + 1716713.

It is an arithmetic number, because the mean of its divisors is an integer number (184196916750).

Almost surely, 21440021314411 is an apocalyptic number.

1440021314411 is a deficient number, since it is larger than the sum of its proper divisors (33554019589).

1440021314411 is a wasteful number, since it uses less digits than its factorization.

1440021314411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1480765.

The product of its (nonzero) digits is 1536, while the sum is 26.

Adding to 1440021314411 its reverse (1144131200441), we get a palindrome (2584152514852).

The spelling of 1440021314411 in words is "one trillion, four hundred forty billion, twenty-one million, three hundred fourteen thousand, four hundred eleven".

Divisors: 1 43 22973 987839 1457749 62683207 33488867777 1440021314411