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2130552523 = 111773971609
BaseRepresentation
bin111111011111101…
…1010011011001011
312111111000021121201
41332333122123023
513330410140043
6551225045031
7103540253251
oct17677323313
95444007551
102130552523
119a3706710
124b5626777
1327c527488
14162d605d1
15c709ec4d
hex7efda6cb

2130552523 has 32 divisors (see below), whose sum is σ = 2521955520. Its totient is φ = 1778319360.

The previous prime is 2130552521. The next prime is 2130552527. The reversal of 2130552523 is 3252550312.

It is a cyclic number.

It is not a de Polignac number, because 2130552523 - 21 = 2130552521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2130552491 and 2130552500.

It is not an unprimeable number, because it can be changed into a prime (2130552521) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1323343 + ... + 1324951.

It is an arithmetic number, because the mean of its divisors is an integer number (78811110).

Almost surely, 22130552523 is an apocalyptic number.

2130552523 is a deficient number, since it is larger than the sum of its proper divisors (391402997).

2130552523 is a wasteful number, since it uses less digits than its factorization.

2130552523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1807.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 2130552523 is about 46157.9085639720. The cubic root of 2130552523 is about 1286.7595940009.

The spelling of 2130552523 in words is "two billion, one hundred thirty million, five hundred fifty-two thousand, five hundred twenty-three".

Divisors: 1 11 17 73 97 187 803 1067 1241 1609 1649 7081 13651 17699 18139 27353 77891 117457 120377 156073 300883 1292027 1324147 1716803 1996769 2653241 11393329 21964459 29185651 125326619 193686593 2130552523