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1520032334113 = 1937378461381
BaseRepresentation
bin10110000111101000111…
…111001100000100100001
312101022110200000011001001
4112013220333030010201
5144401011234142423
63122143200112001
7214550550442006
oct26075077140441
95338420004031
101520032334113
11536707697517
12206713905601
13b0452702747
14537d9d6b8ad
1529815da0cad
hex161e8fcc121

1520032334113 has 4 divisors (see below), whose sum is σ = 1520110814868. Its totient is φ = 1519953853360.

The previous prime is 1520032334101. The next prime is 1520032334123. The reversal of 1520032334113 is 3114332300251.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 799176997089 + 720855337024 = 893967^2 + 849032^2 .

It is a cyclic number.

It is not a de Polignac number, because 1520032334113 - 29 = 1520032333601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1520032334123) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 39211318 + ... + 39250063.

It is an arithmetic number, because the mean of its divisors is an integer number (380027703717).

Almost surely, 21520032334113 is an apocalyptic number.

It is an amenable number.

1520032334113 is a deficient number, since it is larger than the sum of its proper divisors (78480755).

1520032334113 is an equidigital number, since it uses as much as digits as its factorization.

1520032334113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78480754.

The product of its (nonzero) digits is 6480, while the sum is 28.

Adding to 1520032334113 its reverse (3114332300251), we get a palindrome (4634364634364).

The spelling of 1520032334113 in words is "one trillion, five hundred twenty billion, thirty-two million, three hundred thirty-four thousand, one hundred thirteen".

Divisors: 1 19373 78461381 1520032334113