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233013221111 = 11295912380491
BaseRepresentation
bin1101100100000010101…
…0111001011011110111
3211021110002111002011102
43121000222321123313
512304202341033421
6255013402000315
722556166462026
oct3310052713367
9737402432142
10233013221111
118a902985910
12391ab7a609b
1318c85a47538
14b3c67b48bd
1560db8a460b
hex3640ab96f7

233013221111 has 16 divisors (see below), whose sum is σ = 267418627200. Its totient is φ = 201059157600.

The previous prime is 233013221087. The next prime is 233013221143. The reversal of 233013221111 is 111122310332.

It is a happy number.

It is not a de Polignac number, because 233013221111 - 214 = 233013204727 is a prime.

It is a super-5 number, since 5×2330132211115 (a number of 58 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233013271111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6171425 + ... + 6209066.

It is an arithmetic number, because the mean of its divisors is an integer number (16713664200).

Almost surely, 2233013221111 is an apocalyptic number.

233013221111 is a deficient number, since it is larger than the sum of its proper divisors (34405406089).

233013221111 is a wasteful number, since it uses less digits than its factorization.

233013221111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12380590.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 233013221111 its reverse (111122310332), we get a palindrome (344135531443).

The spelling of 233013221111 in words is "two hundred thirty-three billion, thirteen million, two hundred twenty-one thousand, one hundred eleven".

Divisors: 1 11 29 59 319 649 1711 18821 12380491 136185401 359034239 730448969 3949376629 8034938659 21183020101 233013221111