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20144103443 = 107601313249
BaseRepresentation
bin10010110000101011…
…101010000000010011
31220222212200111000022
4102300223222000103
5312223342302233
613130514014055
71312122024362
oct226053520023
956885614008
1020144103443
1185a7904082
123aa227732b
131b904c0949
14d914b77d9
157cd733398
hex4b0aea013

20144103443 has 8 divisors (see below), whose sum is σ = 20366262000. Its totient is φ = 19922572800.

The previous prime is 20144103439. The next prime is 20144103451. The reversal of 20144103443 is 34430144102.

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 20144103443 - 22 = 20144103439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20144103433) 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, 92318 + ... + 220931.

It is an arithmetic number, because the mean of its divisors is an integer number (2545782750).

Almost surely, 220144103443 is an apocalyptic number.

20144103443 is a deficient number, since it is larger than the sum of its proper divisors (222158557).

20144103443 is a wasteful number, since it uses less digits than its factorization.

20144103443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313957.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 20144103443 its reverse (34430144102), we get a palindrome (54574247545).

The spelling of 20144103443 in words is "twenty billion, one hundred forty-four million, one hundred three thousand, four hundred forty-three".

Divisors: 1 107 601 64307 313249 33517643 188262649 20144103443