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142621250087 is a prime number
BaseRepresentation
bin1000010011010011100…
…0111001001000100111
3111122010112001011212202
42010310320321020213
54314042020000322
6145304100205115
713206200423561
oct2046470711047
9448115034782
10142621250087
1155537a83128
122378369979b
13105ab965354
146c8d802331
153a9aded292
hex2134e39227

142621250087 has 2 divisors, whose sum is σ = 142621250088. Its totient is φ = 142621250086.

The previous prime is 142621250081. The next prime is 142621250111. The reversal of 142621250087 is 780052126241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142621250087 - 228 = 142352814631 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142621250087.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142621250081) 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, 71310625043 + 71310625044.

It is an arithmetic number, because the mean of its divisors is an integer number (71310625044).

Almost surely, 2142621250087 is an apocalyptic number.

142621250087 is a deficient number, since it is larger than the sum of its proper divisors (1).

142621250087 is an equidigital number, since it uses as much as digits as its factorization.

142621250087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 53760, while the sum is 38.

The spelling of 142621250087 in words is "one hundred forty-two billion, six hundred twenty-one million, two hundred fifty thousand, eighty-seven".