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1440021414013 = 71315824411143
BaseRepresentation
bin10100111101000111111…
…101110000000001111101
312002122221120100021110221
4110331013331300001331
5142043130440222023
63021311532301341
7206016034026250
oct24750775600175
95078846307427
101440021414013
11505789601a66
121b3104311851
13a5a41246340
144d9a998d097
15276d197685d
hex14f47f7007d

1440021414013 has 8 divisors (see below), whose sum is σ = 1772334048128. Its totient is φ = 1139357602224.

The previous prime is 1440021413993. The next prime is 1440021414103. The reversal of 1440021414013 is 3104141200441.

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

It is a cyclic number.

It is not a de Polignac number, because 1440021414013 - 213 = 1440021405821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1440021414613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7912205481 + ... + 7912205662.

It is an arithmetic number, because the mean of its divisors is an integer number (221541756016).

Almost surely, 21440021414013 is an apocalyptic number.

1440021414013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1440021414013 is a deficient number, since it is larger than the sum of its proper divisors (332312634115).

1440021414013 is a wasteful number, since it uses less digits than its factorization.

1440021414013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15824411163.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 1440021414013 its reverse (3104141200441), we get a palindrome (4544162614454).

The spelling of 1440021414013 in words is "one trillion, four hundred forty billion, twenty-one million, four hundred fourteen thousand, thirteen".

Divisors: 1 7 13 91 15824411143 110770878001 205717344859 1440021414013