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30331143344 = 2441671733989
BaseRepresentation
bin11100001111111000…
…001000010010110000
32220021211101201122102
4130033320020102300
5444104233041334
621533421355532
72122430315225
oct341770102260
986254351572
1030331143344
1111955159a17
125a65a08ba8
132b24b783c8
14167a40794c
15bc7c3a67e
hex70fe084b0

30331143344 has 80 divisors (see below), whose sum is σ = 61467003360. Its totient is φ = 14486968320.

The previous prime is 30331143329. The next prime is 30331143379. The reversal of 30331143344 is 44334113303.

It is a super-3 number, since 3×303311433443 (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7601702 + ... + 7605690.

It is an arithmetic number, because the mean of its divisors is an integer number (768337542).

Almost surely, 230331143344 is an apocalyptic number.

It is an amenable number.

30331143344 is an abundant number, since it is smaller than the sum of its proper divisors (31135860016).

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

30331143344 is a wasteful number, since it uses less digits than its factorization.

30331143344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4278 (or 4272 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 29.

Adding to 30331143344 its reverse (44334113303), we get a palindrome (74665256647).

The spelling of 30331143344 in words is "thirty billion, three hundred thirty-one million, one hundred forty-three thousand, three hundred forty-four".

Divisors: 1 2 4 8 16 41 67 82 134 164 173 268 328 346 536 656 692 1072 1384 2747 2768 3989 5494 7093 7978 10988 11591 14186 15956 21976 23182 28372 31912 43952 46364 56744 63824 92728 113488 163549 185456 267263 327098 475231 534526 654196 690097 950462 1069052 1308392 1380194 1900924 2138104 2616784 2760388 3801848 4276208 5520776 7603696 10957783 11041552 21915566 28293977 43831132 46236499 56587954 87662264 92472998 113175908 175324528 184945996 226351816 369891992 452703632 739783984 1895696459 3791392918 7582785836 15165571672 30331143344