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30333013120 = 275110942737
BaseRepresentation
bin11100001111111111…
…010000110010000000
32220021221220201111101
4130033333100302000
5444110222404440
621533525424144
72122452233404
oct341777206200
986257821441
1030333013120
1111956216793
125a6656b054
132b25381497
14167a773104
15bc7ea969a
hex70ffd0c80

30333013120 has 64 divisors (see below), whose sum is σ = 72581945400. Its totient is φ = 12121980928.

The previous prime is 30333013097. The next prime is 30333013141. The reversal of 30333013120 is 2131033303.

It can be written as a sum of positive squares in 4 ways, for example, as 18511235136 + 11821777984 = 136056^2 + 108728^2 .

It is a tau number, because it is divible by the number of its divisors (64).

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, 688392 + ... + 731128.

Almost surely, 230333013120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30333013120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36290972700).

30333013120 is an abundant number, since it is smaller than the sum of its proper divisors (42248932280).

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

30333013120 is a wasteful number, since it uses less digits than its factorization.

30333013120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43865 (or 43853 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 19.

Adding to 30333013120 its reverse (2131033303), we get a palindrome (32464046423).

The spelling of 30333013120 in words is "thirty billion, three hundred thirty-three million, thirteen thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 320 640 1109 2218 4436 5545 8872 11090 17744 22180 35488 42737 44360 70976 85474 88720 141952 170948 177440 213685 341896 354880 427370 683792 709760 854740 1367584 1709480 2735168 3418960 5470336 6837920 13675840 27351680 47395333 94790666 189581332 236976665 379162664 473953330 758325328 947906660 1516650656 1895813320 3033301312 3791626640 6066602624 7583253280 15166506560 30333013120