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12031442210 = 2541259311317
BaseRepresentation
bin10110011010010000…
…10011110100100010
31011001111021120221202
423031020103310202
5144120022122320
65305511321202
7604102366664
oct131510236442
934044246852
1012031442210
115114487677
1223b9380202
131199823098
14821c84534
154a63d1b75
hex2cd213d22

12031442210 has 32 divisors (see below), whose sum is σ = 22195322352. Its totient is φ = 4692971520.

The previous prime is 12031442201. The next prime is 12031442237. The reversal of 12031442210 is 1224413021.

It can be written as a sum of positive squares in 8 ways, for example, as 6103828129 + 5927614081 = 78127^2 + 76991^2 .

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, 1057472 + ... + 1068788.

Almost surely, 212031442210 is an apocalyptic number.

12031442210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12031442210 is a deficient number, since it is larger than the sum of its proper divisors (10163880142).

12031442210 is a wasteful number, since it uses less digits than its factorization.

12031442210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13958.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 12031442210 its reverse (1224413021), we get a palindrome (13255855231).

The spelling of 12031442210 in words is "twelve billion, thirty-one million, four hundred forty-two thousand, two hundred ten".

Divisors: 1 2 5 10 41 82 205 410 2593 5186 11317 12965 22634 25930 56585 106313 113170 212626 463997 531565 927994 1063130 2319985 4639970 29344981 58689962 146724905 293449810 1203144221 2406288442 6015721105 12031442210