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30112120033312 = 2523314185737561
BaseRepresentation
bin1101101100011000001100…
…01101111101000000100000
310221121200122102022120211111
412312030012031331000200
512421324110212031222
6144013152244353104
76225346256061622
oct666140615750040
9127550572276744
1030112120033312
11965a529812609
123463b200a5794
1313a5739c1c625
14761611d52c12
15373443094777
hex1b630637d020

30112120033312 has 192 divisors, whose sum is σ = 65491819481088. Its totient is φ = 13580734464000.

The previous prime is 30112120033267. The next prime is 30112120033393. The reversal of 30112120033312 is 21333002121103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 801667012 + ... + 801704572.

It is an arithmetic number, because the mean of its divisors is an integer number (341103226464).

Almost surely, 230112120033312 is an apocalyptic number.

30112120033312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30112120033312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32745909740544).

30112120033312 is an abundant number, since it is smaller than the sum of its proper divisors (35379699447776).

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

30112120033312 is a wasteful number, since it uses less digits than its factorization.

30112120033312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38523 (or 38515 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 30112120033312 its reverse (21333002121103), we get a palindrome (51445122154415).

The spelling of 30112120033312 in words is "thirty trillion, one hundred twelve billion, one hundred twenty million, thirty-three thousand, three hundred twelve".