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11021233223 = 72111310871447
BaseRepresentation
bin10100100001110101…
…01010110001000111
31001110002101122202002
422100322222301013
5140032413430343
65021343135515
7540054636200
oct122072526107
931402348662
1011021233223
114746220710
122176ba459b
1310684501a0
14767a3a5a7
154478858b8
hex290eaac47

11021233223 has 48 divisors (see below), whose sum is σ = 15086260224. Its totient is φ = 7914594240.

The previous prime is 11021233211. The next prime is 11021233259. The reversal of 11021233223 is 32233212011.

It is not a de Polignac number, because 11021233223 - 26 = 11021233159 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11021233195 and 11021233204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11021233123) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7615886 + ... + 7617332.

It is an arithmetic number, because the mean of its divisors is an integer number (314297088).

Almost surely, 211021233223 is an apocalyptic number.

11021233223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11021233223 is a deficient number, since it is larger than the sum of its proper divisors (4065027001).

11021233223 is a wasteful number, since it uses less digits than its factorization.

11021233223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2572 (or 2565 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 11021233223 its reverse (32233212011), we get a palindrome (43254445234).

The spelling of 11021233223 in words is "eleven billion, twenty-one million, two hundred thirty-three thousand, two hundred twenty-three".

Divisors: 1 7 11 13 49 77 91 143 539 637 1001 1087 1447 7007 7609 10129 11957 14131 15917 18811 53263 70903 83699 98917 111419 131677 155441 206921 585893 692419 779933 921739 1088087 1448447 1572889 7616609 10139129 11010223 17301779 20447557 77071561 121112453 143132899 224923127 847787171 1001930293 1574461889 11021233223