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20144403013 = 72992196179
BaseRepresentation
bin10010110000101100…
…110011001001000101
31220222220020200221111
4102300230303021011
5312223431344023
613130524245021
71312124412640
oct226054631105
956886220844
1020144403013
1185a7a99159
123aa23a0771
131b905970c7
14d91554a57
157cd79200d
hex4b0b33245

20144403013 has 8 divisors (see below), whose sum is σ = 23023183680. Its totient is φ = 17265874560.

The previous prime is 20144402963. The next prime is 20144403031. The reversal of 20144403013 is 31030444102.

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 20144403013 - 221 = 20142305861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20144403413) 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, 161358 + ... + 257536.

It is an arithmetic number, because the mean of its divisors is an integer number (2877897960).

Almost surely, 220144403013 is an apocalyptic number.

It is an amenable number.

20144403013 is a deficient number, since it is larger than the sum of its proper divisors (2878780667).

20144403013 is an equidigital number, since it uses as much as digits as its factorization.

20144403013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126107.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 20144403013 its reverse (31030444102), we get a palindrome (51174847115).

The spelling of 20144403013 in words is "twenty billion, one hundred forty-four million, four hundred three thousand, thirteen".

Divisors: 1 7 29921 96179 209447 673253 2877771859 20144403013