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30012200113220 = 22513297243549551
BaseRepresentation
bin1101101001011110000101…
…00001101101010001000100
310221021010201211100201120022
412310233002201231101010
512413204441212110340
6143455225301554312
76215211203551343
oct664570241552104
9127233654321508
1030012200113220
119621114602756
123448695115998
1313991a4b9a760
1475a8537b9b5a
15370a45dc73b5
hex1b4bc286d444

30012200113220 has 96 divisors (see below), whose sum is σ = 70224040696320. Its totient is φ = 10697812876800.

The previous prime is 30012200113187. The next prime is 30012200113253. The reversal of 30012200113220 is 2231100221003.

It is an interprime number because it is at equal distance from previous prime (30012200113187) and next prime (30012200113253).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54337445 + ... + 54886995.

It is an arithmetic number, because the mean of its divisors is an integer number (731500423920).

Almost surely, 230012200113220 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 30012200113220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35112020348160).

30012200113220 is an abundant number, since it is smaller than the sum of its proper divisors (40211840583100).

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

30012200113220 is a wasteful number, since it uses less digits than its factorization.

30012200113220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556845 (or 556843 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 30012200113220 its reverse (2231100221003), we get a palindrome (32243300334223).

The spelling of 30012200113220 in words is "thirty trillion, twelve billion, two hundred million, one hundred thirteen thousand, two hundred twenty".

Divisors: 1 2 4 5 10 13 20 26 29 52 58 65 116 130 145 260 290 377 580 754 1508 1885 3770 7243 7540 14486 28972 36215 72430 94159 144860 188318 210047 376636 420094 470795 549551 840188 941590 1050235 1099102 1883180 2100470 2198204 2730611 2747755 4200940 5461222 5495510 7144163 10922444 10991020 13653055 14288326 15936979 27306110 28576652 31873958 35720815 54612220 63747916 71441630 79684895 142883260 159369790 207180727 318739580 414361454 828722908 1035903635 2071807270 3980397893 4143614540 7960795786 15921591572 19901989465 39803978930 51745172609 79607957860 103490345218 115431538897 206980690436 230863077794 258725863045 461726155588 517451726090 577157694485 1034903452180 1154315388970 1500610005661 2308630777940 3001220011322 6002440022644 7503050028305 15006100056610 30012200113220