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30666937764 = 22319134504113
BaseRepresentation
bin11100100011111001…
…000101010110100100
32221011020020211222210
4130203321011112210
51000301214002024
622031014523420
72133645445551
oct344371052644
987136224883
1030666937764
1112007761271
125b3a366570
132b795c9728
1416acc57a28
15be746a129
hex723e455a4

30666937764 has 24 divisors (see below), whose sum is σ = 75322303840. Its totient is φ = 9684296064.

The previous prime is 30666937759. The next prime is 30666937793. The reversal of 30666937764 is 46773966603.

It is a super-2 number, since 2×306669377642 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67251829 + ... + 67252284.

Almost surely, 230666937764 is an apocalyptic number.

It is an amenable number.

30666937764 is an abundant number, since it is smaller than the sum of its proper divisors (44655366076).

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

30666937764 is a wasteful number, since it uses less digits than its factorization.

30666937764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134504139 (or 134504137 counting only the distinct ones).

The product of its (nonzero) digits is 20575296, while the sum is 57.

The spelling of 30666937764 in words is "thirty billion, six hundred sixty-six million, nine hundred thirty-seven thousand, seven hundred sixty-four".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 228 134504113 269008226 403512339 538016452 807024678 1614049356 2555578147 5111156294 7666734441 10222312588 15333468882 30666937764