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2231132042 = 237233129401
BaseRepresentation
bin1000010011111100…
…0101111110001010
312202111021020210002
42010333011332022
514032132211132
61005220523002
7106201211066
oct20477057612
95674236702
102231132042
11a45463587
12523250462
13297311999
14172462aa6
15d0d1b262
hex84fc5f8a

2231132042 has 16 divisors (see below), whose sum is σ = 3451927752. Its totient is φ = 1080748800.

The previous prime is 2231131993. The next prime is 2231132107. The reversal of 2231132042 is 2402311322.

It can be written as a sum of positive squares in 4 ways, for example, as 1678458961 + 552673081 = 40969^2 + 23509^2 .

It is a super-3 number, since 3×22311320423 (a number of 29 digits) contains 333 as substring.

It is an unprimeable number.

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, 47459 + ... + 81942.

Almost surely, 22231132042 is an apocalyptic number.

2231132042 is a deficient number, since it is larger than the sum of its proper divisors (1220795710).

2231132042 is a wasteful number, since it uses less digits than its factorization.

2231132042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129673.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2231132042 is about 47234.8604528477. The cubic root of 2231132042 is about 1306.6975929645.

Adding to 2231132042 its reverse (2402311322), we get a palindrome (4633443364).

The spelling of 2231132042 in words is "two billion, two hundred thirty-one million, one hundred thirty-two thousand, forty-two".

Divisors: 1 2 37 74 233 466 8621 17242 129401 258802 4787837 9575674 30150433 60300866 1115566021 2231132042