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11820420304 = 247112872227
BaseRepresentation
bin10110000001000110…
…10100110011010000
31010111210012120022121
423000203110303100
5143202011422204
65232532344024
7565630625530
oct130043246320
933453176277
1011820420304
115016356800
12235a775014
131164baa054
14801c334c0
15492aebb54
hex2c08d4cd0

11820420304 has 60 divisors (see below), whose sum is σ = 28769568352. Its totient is φ = 4605353280.

The previous prime is 11820420301. The next prime is 11820420319. The reversal of 11820420304 is 40302402811.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11820420301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 422562 + ... + 449665.

Almost surely, 211820420304 is an apocalyptic number.

11820420304 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11820420304 is an abundant number, since it is smaller than the sum of its proper divisors (16949148048).

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

11820420304 is a wasteful number, since it uses less digits than its factorization.

11820420304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872264 (or 872247 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The spelling of 11820420304 in words is "eleven billion, eight hundred twenty million, four hundred twenty thousand, three hundred four".

Divisors: 1 2 4 7 8 11 14 16 22 28 44 56 77 88 112 121 154 176 242 308 484 616 847 968 1232 1694 1936 3388 6776 13552 872227 1744454 3488908 6105589 6977816 9594497 12211178 13955632 19188994 24422356 38377988 48844712 67161479 76755976 97689424 105539467 134322958 153511952 211078934 268645916 422157868 537291832 738776269 844315736 1074583664 1477552538 1688631472 2955105076 5910210152 11820420304