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30131033031424 = 281322939536227
BaseRepresentation
bin1101101100111011011011…
…00001010100001100000000
310221200111110111110102211001
412312131231201110030000
512422131323424001144
6144030001103501344
76226616041650043
oct666355541241400
9127614414412731
1030131033031424
1196675546a4a66
123467719bb7854
1313a7462347980
147624c7b20c5a
15373b9d695bd4
hex1b676d854300

30131033031424 has 72 divisors (see below), whose sum is σ = 65053700275760. Its totient is φ = 13845902635008.

The previous prime is 30131033031277. The next prime is 30131033031433. The reversal of 30131033031424 is 42413033013103.

It is a junction number, because it is equal to n+sod(n) for n = 30131033031392 and 30131033031401.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19006002 + ... + 20530225.

Almost surely, 230131033031424 is an apocalyptic number.

It is an amenable number.

30131033031424 is an abundant number, since it is smaller than the sum of its proper divisors (34922667244336).

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

30131033031424 is a wasteful number, since it uses less digits than its factorization.

30131033031424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39536485 (or 39536471 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 30131033031424 its reverse (42413033013103), we get a palindrome (72544066044527).

The spelling of 30131033031424 in words is "thirty trillion, one hundred thirty-one billion, thirty-three million, thirty-one thousand, four hundred twenty-four".

Divisors: 1 2 4 8 13 16 26 32 52 64 104 128 208 229 256 416 458 832 916 1664 1832 2977 3328 3664 5954 7328 11908 14656 23816 29312 47632 58624 95264 190528 381056 762112 39536227 79072454 158144908 316289816 513970951 632579632 1027941902 1265159264 2055883804 2530318528 4111767608 5060637056 8223535216 9053795983 10121274112 16447070432 18107591966 32894140864 36215183932 65788281728 72430367864 117699347779 131576563456 144860735728 235398695558 289721471456 470797391116 579442942912 941594782232 1158885885824 1883189564464 2317771771648 3766379128928 7532758257856 15065516515712 30131033031424