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30443343040 = 265118648677
BaseRepresentation
bin11100010110100100…
…001000110011000000
32220120122112001200201
4130112210020303000
5444321443434130
621552510254544
72125262101105
oct342644106300
986518461621
1030443343040
1111a02523240
125a974b7454
132b421a0a66
14168b292aac
15bd29eebca
hex716908cc0

30443343040 has 56 divisors (see below), whose sum is σ = 79083511632. Its totient is φ = 11070305280.

The previous prime is 30443343023. The next prime is 30443343149. The reversal of 30443343040 is 4034334403.

It is a happy number.

It is a super-2 number, since 2×304433430402 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4320819 + ... + 4327858.

Almost surely, 230443343040 is an apocalyptic number.

It is an amenable number.

30443343040 is an abundant number, since it is smaller than the sum of its proper divisors (48640168592).

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

30443343040 is a wasteful number, since it uses less digits than its factorization.

30443343040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8648705 (or 8648695 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 28.

Adding to 30443343040 its reverse (4034334403), we get a palindrome (34477677443).

The spelling of 30443343040 in words is "thirty billion, four hundred forty-three million, three hundred forty-three thousand, forty".

Divisors: 1 2 4 5 8 10 11 16 20 22 32 40 44 55 64 80 88 110 160 176 220 320 352 440 704 880 1760 3520 8648677 17297354 34594708 43243385 69189416 86486770 95135447 138378832 172973540 190270894 276757664 345947080 380541788 475677235 553515328 691894160 761083576 951354470 1383788320 1522167152 1902708940 2767576640 3044334304 3805417880 6088668608 7610835760 15221671520 30443343040