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1230144283 is a prime number
BaseRepresentation
bin100100101010010…
…1000001100011011
310011201201210201101
41021110220030123
510004404104113
6322022132231
742325024324
oct11124501433
93151653641
101230144283
11581425675
122a3b81077
13167b1a034
14b953944b
1572ee22dd
hex4952831b

1230144283 has 2 divisors, whose sum is σ = 1230144284. Its totient is φ = 1230144282.

The previous prime is 1230144269. The next prime is 1230144287. The reversal of 1230144283 is 3824410321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1230144283 - 213 = 1230136091 is a prime.

It is not a weakly prime, because it can be changed into another prime (1230144287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615072141 + 615072142.

It is an arithmetic number, because the mean of its divisors is an integer number (615072142).

Almost surely, 21230144283 is an apocalyptic number.

1230144283 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230144283 is an equidigital number, since it uses as much as digits as its factorization.

1230144283 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 1230144283 is about 35073.4127652272. The cubic root of 1230144283 is about 1071.4831625679.

The spelling of 1230144283 in words is "one billion, two hundred thirty million, one hundred forty-four thousand, two hundred eighty-three".