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2131331120 = 24543619573
BaseRepresentation
bin111111100001001…
…1000100000110000
312111112110211122122
41333002120200300
513331110043440
6551253453412
7103550005232
oct17702304060
95445424578
102131331120
119a4098686
124b5941268
1327c73a999
141630c4252
15c71a57b5
hex7f098830

2131331120 has 40 divisors (see below), whose sum is σ = 5070593616. Its totient is φ = 832704768.

The previous prime is 2131331107. The next prime is 2131331143. The reversal of 2131331120 is 211331312.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 306347 + ... + 313226.

Almost surely, 22131331120 is an apocalyptic number.

2131331120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2131331120 is an abundant number, since it is smaller than the sum of its proper divisors (2939262496).

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

2131331120 is a wasteful number, since it uses less digits than its factorization.

2131331120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619629 (or 619623 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 2131331120 is about 46166.3418520463. The cubic root of 2131331120 is about 1286.9163209738.

Adding to 2131331120 its reverse (211331312), we get a palindrome (2342662432).

The spelling of 2131331120 in words is "two billion, one hundred thirty-one million, three hundred thirty-one thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 43 80 86 172 215 344 430 688 860 1720 3440 619573 1239146 2478292 3097865 4956584 6195730 9913168 12391460 24782920 26641639 49565840 53283278 106566556 133208195 213133112 266416390 426266224 532832780 1065665560 2131331120