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30331020212012 = 22131019871585061
BaseRepresentation
bin1101110010101111111011…
…01011110111011100101100
310222101121122221121211101102
412321113331223313130230
512433420412133241022
6144301513415102232
76250225645642502
oct671277553673454
9128347587554342
1030331020212012
11973434a1aa803
12349a431371978
1313c0283ac8ba0
1476c05a226672
15378ea5936a92
hex1b95fdaf772c

30331020212012 has 48 divisors (see below), whose sum is σ = 57734217711744. Its totient is φ = 13858901280000.

The previous prime is 30331020211997. The next prime is 30331020212063. The reversal of 30331020212012 is 21021202013303.

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, 51549962 + ... + 52135022.

It is an arithmetic number, because the mean of its divisors is an integer number (1202796202328).

Almost surely, 230331020212012 is an apocalyptic number.

It is an amenable number.

30331020212012 is a deficient number, since it is larger than the sum of its proper divisors (27403197499732).

30331020212012 is a wasteful number, since it uses less digits than its factorization.

30331020212012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595050 (or 595048 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 30331020212012 its reverse (21021202013303), we get a palindrome (51352222225315).

The spelling of 30331020212012 in words is "thirty trillion, three hundred thirty-one billion, twenty million, two hundred twelve thousand, twelve".

Divisors: 1 2 4 13 26 52 101 202 404 1313 2626 5252 9871 19742 39484 128323 256646 513292 585061 996971 1170122 1993942 2340244 3987884 7605793 12960623 15211586 25921246 30423172 51842492 59091161 118182322 236364644 768185093 1536370186 3072740372 5775137131 11550274262 23100548524 75076782703 150153565406 300307130812 583288850231 1166577700462 2333155400924 7582755053003 15165510106006 30331020212012