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20412223013 = 7131911805797
BaseRepresentation
bin10011000000101010…
…011100111000100101
31221200120012100220202
4103000222130320211
5313301012114023
613213252440245
71321556014160
oct230052347045
957616170822
1020412223013
1187251932a6
123b58019085
131c03c08890
14db8d4cad7
157e7046128
hex4c0a9ce25

20412223013 has 16 divisors (see below), whose sum is σ = 26444987520. Its totient is φ = 15300311616.

The previous prime is 20412222997. The next prime is 20412223021. The reversal of 20412223013 is 31032221402.

It is a cyclic number.

It is not a de Polignac number, because 20412223013 - 24 = 20412222997 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20412223813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5901170 + ... + 5904627.

It is an arithmetic number, because the mean of its divisors is an integer number (1652811720).

Almost surely, 220412223013 is an apocalyptic number.

It is an amenable number.

20412223013 is a deficient number, since it is larger than the sum of its proper divisors (6032764507).

20412223013 is a wasteful number, since it uses less digits than its factorization.

20412223013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11805836.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20412223013 its reverse (31032221402), we get a palindrome (51444444415).

The spelling of 20412223013 in words is "twenty billion, four hundred twelve million, two hundred twenty-three thousand, thirteen".

Divisors: 1 7 13 19 91 133 247 1729 11805797 82640579 153475361 224310143 1074327527 1570171001 2916031859 20412223013