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30320312322243 = 3193674583316259
BaseRepresentation
bin1101110010011011111110…
…11100100000100011000011
310222100121000200211200001110
412321031333130200203003
512433231444423302433
6144252543103534403
76246366414246126
oct671157734404303
9128317020750043
1030320312322243
11972a854947729
1234983432ba403
1313bc268569138
1476b7220743bd
15378a7a848963
hex1b937f7208c3

30320312322243 has 32 divisors (see below), whose sum is σ = 42680223129600. Its totient is φ = 19093264599456.

The previous prime is 30320312322241. The next prime is 30320312322323. The reversal of 30320312322243 is 34222321302303.

It is a happy number.

It is not a de Polignac number, because 30320312322243 - 21 = 30320312322241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30320312322243.

It is not an unprimeable number, because it can be changed into a prime (30320312322241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 95713648 + ... + 96029906.

It is an arithmetic number, because the mean of its divisors is an integer number (1333756972800).

Almost surely, 230320312322243 is an apocalyptic number.

30320312322243 is a deficient number, since it is larger than the sum of its proper divisors (12359910807357).

30320312322243 is a wasteful number, since it uses less digits than its factorization.

30320312322243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321231.

The product of its (nonzero) digits is 31104, while the sum is 30.

Adding to 30320312322243 its reverse (34222321302303), we get a palindrome (64542633624546).

The spelling of 30320312322243 in words is "thirty trillion, three hundred twenty billion, three hundred twelve million, three hundred twenty-two thousand, two hundred forty-three".

Divisors: 1 3 19 57 367 1101 4583 6973 13749 20919 87077 261231 316259 948777 1681961 5045883 6008921 18026763 31957259 95871777 116067053 348201159 1449414997 2205274007 4348244991 6615822021 27538884943 82616654829 531935303899 1595805911697 10106770774081 30320312322243