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1331021033009 = 4749871567857
BaseRepresentation
bin10011010111100111000…
…010010010111000110001
311201020121010220012120122
4103113213002102320301
5133301412341024014
62455243532020025
7165106641052013
oct23274702227061
94636533805518
101331021033009
11473534745458
12195b64301615
139868cb82085
14485c94581b3
15249524d758e
hex135e7092e31

1331021033009 has 8 divisors (see below), whose sum is σ = 1359370280448. Its totient is φ = 1302673021120.

The previous prime is 1331021032951. The next prime is 1331021033057. The reversal of 1331021033009 is 9003301201331.

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 1331021033009 - 28 = 1331021032753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1331021033099) 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, 2060009 + ... + 2627865.

It is an arithmetic number, because the mean of its divisors is an integer number (169921285056).

Almost surely, 21331021033009 is an apocalyptic number.

It is an amenable number.

1331021033009 is a deficient number, since it is larger than the sum of its proper divisors (28349247439).

1331021033009 is an equidigital number, since it uses as much as digits as its factorization.

1331021033009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617775.

The product of its (nonzero) digits is 1458, while the sum is 26.

The spelling of 1331021033009 in words is "one trillion, three hundred thirty-one billion, twenty-one million, thirty-three thousand, nine".

Divisors: 1 47 49871 567857 2343937 26689279 28319596447 1331021033009