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142183025381 is a prime number
BaseRepresentation
bin1000010001101011000…
…1001100101011100101
3111120222222110001121002
42010122301030223211
54312142323303011
6145152403403045
713162266526535
oct2043261145345
9446888401532
10142183025381
115533267a451
1223680983485
131053bc2c2a7
146c4b52b4c5
153a726d8c3b
hex211ac4cae5

142183025381 has 2 divisors, whose sum is σ = 142183025382. Its totient is φ = 142183025380.

The previous prime is 142183025363. The next prime is 142183025393. The reversal of 142183025381 is 183520381241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121225830625 + 20957194756 = 348175^2 + 144766^2 .

It is an emirp because it is prime and its reverse (183520381241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142183025381 - 26 = 142183025317 is a prime.

It is a super-2 number, since 2×1421830253812 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142183021381) 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, 71091512690 + 71091512691.

It is an arithmetic number, because the mean of its divisors is an integer number (71091512691).

Almost surely, 2142183025381 is an apocalyptic number.

It is an amenable number.

142183025381 is a deficient number, since it is larger than the sum of its proper divisors (1).

142183025381 is an equidigital number, since it uses as much as digits as its factorization.

142183025381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46080, while the sum is 38.

The spelling of 142183025381 in words is "one hundred forty-two billion, one hundred eighty-three million, twenty-five thousand, three hundred eighty-one".