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102930143 is a prime number
BaseRepresentation
bin1100010001010…
…01011011011111
321011200101121112
412020221123133
5202322231033
614114052235
72356614611
oct610513337
9234611545
10102930143
1153112a38
122a57a07b
131842b414
14d954db1
159082c48
hex62296df

102930143 has 2 divisors, whose sum is σ = 102930144. Its totient is φ = 102930142.

The previous prime is 102930133. The next prime is 102930151. The reversal of 102930143 is 341039201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102930143 - 210 = 102929119 is a prime.

It is a super-2 number, since 2×1029301432 = 21189228676000898, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102930133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51465071 + 51465072.

It is an arithmetic number, because the mean of its divisors is an integer number (51465072).

Almost surely, 2102930143 is an apocalyptic number.

102930143 is a deficient number, since it is larger than the sum of its proper divisors (1).

102930143 is an equidigital number, since it uses as much as digits as its factorization.

102930143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 102930143 is about 10145.4493739804. The cubic root of 102930143 is about 468.6488173192.

Adding to 102930143 its reverse (341039201), we get a palindrome (443969344).

The spelling of 102930143 in words is "one hundred two million, nine hundred thirty thousand, one hundred forty-three".