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20050143103 = 109421601727
BaseRepresentation
bin10010101011000101…
…001110011101111111
31220202022212210122201
4102223011032131333
5312030314034403
613113320052331
71306601255464
oct225305163577
956668783581
1020050143103
118559868301
123a769040a7
131b76bb3203
14d82c1966b
157c537321d
hex4ab14e77f

20050143103 has 16 divisors (see below), whose sum is σ = 20343843520. Its totient is φ = 19758816000.

The previous prime is 20050143101. The next prime is 20050143109. The reversal of 20050143103 is 30134105002.

It is a cyclic number.

It is not a de Polignac number, because 20050143103 - 21 = 20050143101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20050143101) 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, 27578926 + ... + 27579652.

It is an arithmetic number, because the mean of its divisors is an integer number (1271490220).

Almost surely, 220050143103 is an apocalyptic number.

20050143103 is a deficient number, since it is larger than the sum of its proper divisors (293700417).

20050143103 is a wasteful number, since it uses less digits than its factorization.

20050143103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1858.

The product of its (nonzero) digits is 360, while the sum is 19.

Adding to 20050143103 its reverse (30134105002), we get a palindrome (50184248105).

The spelling of 20050143103 in words is "twenty billion, fifty million, one hundred forty-three thousand, one hundred three".

Divisors: 1 109 421 601 727 45889 65509 79243 253021 306067 436927 27579289 33361303 47625043 183946267 20050143103