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30303762912 = 2532361329123
BaseRepresentation
bin11100001110001111…
…101011100111100000
32220012220212122202100
4130032033223213200
5444030230403122
621531002450400
72121645510003
oct341617534740
986186778670
1030303762912
1111940758665
125a58803a00
132b1c2ac877
14167691b53a
15bc562caac
hex70e3eb9e0

30303762912 has 72 divisors (see below), whose sum is σ = 86203137384. Its totient is φ = 10098111744.

The previous prime is 30303762901. The next prime is 30303762917. The reversal of 30303762912 is 21926730303.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30303762917) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1025983 + ... + 1055105.

It is an arithmetic number, because the mean of its divisors is an integer number (1197265797).

Almost surely, 230303762912 is an apocalyptic number.

30303762912 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

30303762912 is an abundant number, since it is smaller than the sum of its proper divisors (55899374472).

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

30303762912 is a wasteful number, since it uses less digits than its factorization.

30303762912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32752 (or 32741 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 36.

The spelling of 30303762912 in words is "thirty billion, three hundred three million, seven hundred sixty-two thousand, nine hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 72 96 144 288 3613 7226 10839 14452 21678 28904 29123 32517 43356 57808 58246 65034 86712 87369 115616 116492 130068 173424 174738 232984 260136 262107 346848 349476 465968 520272 524214 698952 931936 1040544 1048428 1397904 2096856 2795808 4193712 8387424 105221399 210442798 315664197 420885596 631328394 841771192 946992591 1262656788 1683542384 1893985182 2525313576 3367084768 3787970364 5050627152 7575940728 10101254304 15151881456 30303762912