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1208234143 is a prime number
BaseRepresentation
bin100100000000100…
…0011000010011111
310010012111122122201
41020001003002133
54433301443033
6315520352331
741640551344
oct11001030237
93105448581
101208234143
11570020216
122987756a7
1316341835c
14b66747cb
157111547d
hex4804309f

1208234143 has 2 divisors, whose sum is σ = 1208234144. Its totient is φ = 1208234142.

The previous prime is 1208234141. The next prime is 1208234171. The reversal of 1208234143 is 3414328021.

It is an a-pointer prime, because the next prime (1208234171) can be obtained adding 1208234143 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1208234143 - 21 = 1208234141 is a prime.

Together with 1208234141, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1208234141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 604117071 + 604117072.

It is an arithmetic number, because the mean of its divisors is an integer number (604117072).

Almost surely, 21208234143 is an apocalyptic number.

1208234143 is a deficient number, since it is larger than the sum of its proper divisors (1).

1208234143 is an equidigital number, since it uses as much as digits as its factorization.

1208234143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 1208234143 is about 34759.6625846685. The cubic root of 1208234143 is about 1065.0836094146.

It can be divided in two parts, 12082 and 34143, that added together give a square (46225 = 2152).

The spelling of 1208234143 in words is "one billion, two hundred eight million, two hundred thirty-four thousand, one hundred forty-three".