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102330243021 = 31091105928297
BaseRepresentation
bin101111101001101011…
…0111001011111001101
3100210010120101221201210
41133103112321133031
53134033020234041
6115002044125033
710251560466636
oct1372326713715
9323116357653
10102330243021
113a441833186
12179ba236779
13985a513376
144d4a72288d
1529ddad2016
hex17d35b97cd

102330243021 has 16 divisors (see below), whose sum is σ = 137709387200. Its totient is φ = 67585788288.

The previous prime is 102330243013. The next prime is 102330243053. The reversal of 102330243021 is 120342033201.

It is not a de Polignac number, because 102330243021 - 23 = 102330243013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102330243121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3602145 + ... + 3630441.

It is an arithmetic number, because the mean of its divisors is an integer number (8606836700).

Almost surely, 2102330243021 is an apocalyptic number.

It is an amenable number.

102330243021 is a deficient number, since it is larger than the sum of its proper divisors (35379144179).

102330243021 is a wasteful number, since it uses less digits than its factorization.

102330243021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39468.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 102330243021 its reverse (120342033201), we get a palindrome (222672276222).

The spelling of 102330243021 in words is "one hundred two billion, three hundred thirty million, two hundred forty-three thousand, twenty-one".

Divisors: 1 3 109 327 11059 28297 33177 84891 1205431 3084373 3616293 9253119 312936523 938809569 34110081007 102330243021