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102143141 is a prime number
BaseRepresentation
bin1100001011010…
…01010010100101
321010012102001022
412011221102211
5202122040031
614045140525
72350126262
oct605512245
9233172038
10102143141
1152725721
122a25a745
1318214139
14d7cc269
158e7997b
hex61694a5

102143141 has 2 divisors, whose sum is σ = 102143142. Its totient is φ = 102143140.

The previous prime is 102143113. The next prime is 102143147. The reversal of 102143141 is 141341201.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100922116 + 1221025 = 10046^2 + 1105^2 .

It is an emirp because it is prime and its reverse (141341201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102143141 - 26 = 102143077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102143147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51071570 + 51071571.

It is an arithmetic number, because the mean of its divisors is an integer number (51071571).

Almost surely, 2102143141 is an apocalyptic number.

It is an amenable number.

102143141 is a deficient number, since it is larger than the sum of its proper divisors (1).

102143141 is an equidigital number, since it uses as much as digits as its factorization.

102143141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 102143141 is about 10106.5889893673. The cubic root of 102143141 is about 467.4513333575.

Adding to 102143141 its reverse (141341201), we get a palindrome (243484342).

The spelling of 102143141 in words is "one hundred two million, one hundred forty-three thousand, one hundred forty-one".