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30503132052 = 2234373211093
BaseRepresentation
bin11100011010001000…
…001101101110010100
32220201211000122210120
4130122020031232110
5444432300211202
622002443551540
72126616226101
oct343210155624
986654018716
1030503132052
1111a3324a648
125ab352b5b0
132b516a5983
1416951b7aa8
15bd7db00bc
hex71a20db94

30503132052 has 72 divisors (see below), whose sum is σ = 73847166624. Its totient is φ = 9794324736.

The previous prime is 30503132041. The next prime is 30503132053. The reversal of 30503132052 is 25023130503.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30503132053) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2744218 + ... + 2755310.

It is an arithmetic number, because the mean of its divisors is an integer number (1025655092).

Almost surely, 230503132052 is an apocalyptic number.

It is an amenable number.

30503132052 is an abundant number, since it is smaller than the sum of its proper divisors (43344034572).

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

30503132052 is a wasteful number, since it uses less digits than its factorization.

30503132052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11289 (or 11214 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 24.

Adding to 30503132052 its reverse (25023130503), we get a palindrome (55526262555).

The spelling of 30503132052 in words is "thirty billion, five hundred three million, one hundred thirty-two thousand, fifty-two".

Divisors: 1 2 3 4 6 12 43 73 86 129 146 172 219 258 292 438 516 876 3139 5329 6278 9417 10658 11093 12556 15987 18834 21316 22186 31974 33279 37668 44372 63948 66558 133116 229147 458294 476999 687441 809789 916588 953998 1374882 1430997 1619578 1907996 2429367 2749764 2861994 3239156 4858734 5723988 9717468 34820927 59114597 69641854 104462781 118229194 139283708 177343791 208925562 236458388 354687582 417851124 709375164 2541927671 5083855342 7625783013 10167710684 15251566026 30503132052