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30555005720032 = 254123288876311
BaseRepresentation
bin1101111001010001001000…
…10000110001010111100000
311000012000210212212120022201
412330220210100301113200
513001103122431020112
6144552435325542544
76302345345231353
oct674504420612740
9130160725776281
1030555005720032
11981033a186102
123515921714a54
13140842b40c051
14778c27a5029a
1537ec14988257
hex1bca244315e0

30555005720032 has 24 divisors (see below), whose sum is σ = 61622366721552. Its totient is φ = 14904880838400.

The previous prime is 30555005720027. The next prime is 30555005720093. The reversal of 30555005720032 is 23002750055503.

It is a junction number, because it is equal to n+sod(n) for n = 30555005719973 and 30555005720000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11644436844 + ... + 11644439467.

It is an arithmetic number, because the mean of its divisors is an integer number (2567598613398).

Almost surely, 230555005720032 is an apocalyptic number.

30555005720032 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

30555005720032 is an abundant number, since it is smaller than the sum of its proper divisors (31067361001520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30555005720032 is a wasteful number, since it uses less digits than its factorization.

30555005720032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23288876362 (or 23288876354 counting only the distinct ones).

The product of its (nonzero) digits is 157500, while the sum is 37.

Adding to 30555005720032 its reverse (23002750055503), we get a palindrome (53557755775535).

The spelling of 30555005720032 in words is "thirty trillion, five hundred fifty-five billion, five million, seven hundred twenty thousand, thirty-two".

Divisors: 1 2 4 8 16 32 41 82 164 328 656 1312 23288876311 46577752622 93155505244 186311010488 372622020976 745244041952 954843928751 1909687857502 3819375715004 7638751430008 15277502860016 30555005720032