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20130233321405 = 516324699672787
BaseRepresentation
bin1001001001110111011110…
…11010000000011110111101
32122021102122120102201002002
410210323233122000132331
510114303204212241110
6110451411310112045
74145234643004364
oct444735732003675
978242576381062
1020130233321405
116461202a08a79
12231145a4ab625
13b3037160b56c
144d84467007db
1524d978436aa5
hex124eef6807bd

20130233321405 has 8 divisors (see below), whose sum is σ = 24304478023392. Its totient is φ = 16005387965328.

The previous prime is 20130233321327. The next prime is 20130233321411. The reversal of 20130233321405 is 50412333203102.

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-20130233321405 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12349835579 + ... + 12349837208.

It is an arithmetic number, because the mean of its divisors is an integer number (3038059752924).

Almost surely, 220130233321405 is an apocalyptic number.

It is an amenable number.

20130233321405 is a deficient number, since it is larger than the sum of its proper divisors (4174244701987).

20130233321405 is a wasteful number, since it uses less digits than its factorization.

20130233321405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24699672955.

The product of its (nonzero) digits is 12960, while the sum is 29.

Adding to 20130233321405 its reverse (50412333203102), we get a palindrome (70542566524507).

The spelling of 20130233321405 in words is "twenty trillion, one hundred thirty billion, two hundred thirty-three million, three hundred twenty-one thousand, four hundred five".

Divisors: 1 5 163 815 24699672787 123498363935 4026046664281 20130233321405