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1239200143 is a prime number
BaseRepresentation
bin100100111011100…
…1011000110001111
310012100202220000121
41021313023012033
510014213401033
6322544205411
742465012256
oct11167130617
93170686017
101239200143
11586550455
122a7009867
1316996ac2c
14ba81579d
1573bd062d
hex49dcb18f

1239200143 has 2 divisors, whose sum is σ = 1239200144. Its totient is φ = 1239200142.

The previous prime is 1239200093. The next prime is 1239200173. The reversal of 1239200143 is 3410029321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1239200143 - 225 = 1205645711 is a prime.

It is a super-2 number, since 2×12392001432 = 3071233988822440898, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1239200173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 619600071 + 619600072.

It is an arithmetic number, because the mean of its divisors is an integer number (619600072).

Almost surely, 21239200143 is an apocalyptic number.

1239200143 is a deficient number, since it is larger than the sum of its proper divisors (1).

1239200143 is an equidigital number, since it uses as much as digits as its factorization.

1239200143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 1239200143 is about 35202.2746850257. The cubic root of 1239200143 is about 1074.1060223710.

Adding to 1239200143 its reverse (3410029321), we get a palindrome (4649229464).

The spelling of 1239200143 in words is "one billion, two hundred thirty-nine million, two hundred thousand, one hundred forty-three".