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2131542110 = 251746726849
BaseRepresentation
bin111111100001100…
…1100000001011110
312111112212120002002
41333003030001132
513331133321420
6551302202302
7103551544325
oct17703140136
95445776062
102131542110
119a4222155
124b5a23392
1327c7b2a29
1416313b0bc
15c71e8075
hex7f0cc05e

2131542110 has 32 divisors (see below), whose sum is σ = 4071319200. Its totient is φ = 800714752.

The previous prime is 2131542107. The next prime is 2131542131. The reversal of 2131542110 is 112451312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65966 + ... + 92814.

It is an arithmetic number, because the mean of its divisors is an integer number (127228725).

Almost surely, 22131542110 is an apocalyptic number.

2131542110 is a deficient number, since it is larger than the sum of its proper divisors (1939777090).

2131542110 is a wasteful number, since it uses less digits than its factorization.

2131542110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27340.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 2131542110 is about 46168.6269018259. The cubic root of 2131542110 is about 1286.9587854400.

Adding to 2131542110 its reverse (112451312), we get a palindrome (2243993422).

The spelling of 2131542110 in words is "two billion, one hundred thirty-one million, five hundred forty-two thousand, one hundred ten".

Divisors: 1 2 5 10 17 34 85 170 467 934 2335 4670 7939 15878 26849 39695 53698 79390 134245 268490 456433 912866 2282165 4564330 12538483 25076966 62692415 125384830 213154211 426308422 1065771055 2131542110