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2231120133120 = 21035511328409
BaseRepresentation
bin100000011101111001000…
…111110111110000000000
321220021220121011002121110
4200131321013313300000
5243023313223224440
64424543515323320
7320123144136114
oct40357107676000
97807817132543
102231120133120
1179023817166a
123004a5750540
131325170281a8
1479db5a79744
153d08358c080
hex207791f7c00

2231120133120 has 176 divisors, whose sum is σ = 7137745218720. Its totient is φ = 594828066816.

The previous prime is 2231120133043. The next prime is 2231120133167. The reversal of 2231120133120 is 213310211322.

It is a super-3 number, since 3×22311201331203 (a number of 38 digits) contains 333 as substring.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 78521476 + ... + 78549884.

Almost surely, 22231120133120 is an apocalyptic number.

2231120133120 is a gapful number since it is divisible by the number (20) 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 2231120133120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3568872609360).

2231120133120 is an abundant number, since it is smaller than the sum of its proper divisors (4906625085600).

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

2231120133120 is a wasteful number, since it uses less digits than its factorization.

2231120133120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33550 (or 33532 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 2231120133120 its reverse (213310211322), we get a palindrome (2444430344442).

The spelling of 2231120133120 in words is "two trillion, two hundred thirty-one billion, one hundred twenty million, one hundred thirty-three thousand, one hundred twenty".