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2131021133 = 19432608349
BaseRepresentation
bin111111100000100…
…1100110101001101
312111111220002102122
41333001030311031
513331020134013
6551243102325
7103544244413
oct17701146515
95444802378
102131021133
119a39a679a
124b58119a5
1327c65c867
141630432b3
15c7143a08
hex7f04cd4d

2131021133 has 8 divisors (see below), whose sum is σ = 2295348000. Its totient is φ = 1971911088.

The previous prime is 2131021121. The next prime is 2131021141. The reversal of 2131021133 is 3311201312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2131021133 - 28 = 2131020877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131021103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1303358 + ... + 1304991.

It is an arithmetic number, because the mean of its divisors is an integer number (286918500).

Almost surely, 22131021133 is an apocalyptic number.

It is an amenable number.

2131021133 is a deficient number, since it is larger than the sum of its proper divisors (164326867).

2131021133 is a wasteful number, since it uses less digits than its factorization.

2131021133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2608411.

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

The square root of 2131021133 is about 46162.9844464155. The cubic root of 2131021133 is about 1286.8539269973.

Adding to 2131021133 its reverse (3311201312), we get a palindrome (5442222445).

The spelling of 2131021133 in words is "two billion, one hundred thirty-one million, twenty-one thousand, one hundred thirty-three".

Divisors: 1 19 43 817 2608349 49558631 112159007 2131021133