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11404103221 = 719557153941
BaseRepresentation
bin10101001111011110…
…01100111000110101
31002102202211110122101
422213233030320311
5141323422300341
65123341302101
7552414164230
oct124757147065
932382743571
1011404103221
1149223565a5
122263264931
1310c9874794
147a2822417
1546b2b3831
hex2a7bcce35

11404103221 has 16 divisors (see below), whose sum is σ = 13743941760. Its totient is φ = 9243789120.

The previous prime is 11404103201. The next prime is 11404103233. The reversal of 11404103221 is 12230140411.

It is a cyclic number.

It is not a de Polignac number, because 11404103221 - 225 = 11370548789 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11404103201) 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, 2890 + ... + 151051.

It is an arithmetic number, because the mean of its divisors is an integer number (858996360).

Almost surely, 211404103221 is an apocalyptic number.

It is an amenable number.

11404103221 is a deficient number, since it is larger than the sum of its proper divisors (2339838539).

11404103221 is a wasteful number, since it uses less digits than its factorization.

11404103221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154524.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 11404103221 its reverse (12230140411), we get a palindrome (23634243632).

The spelling of 11404103221 in words is "eleven billion, four hundred four million, one hundred three thousand, two hundred twenty-one".

Divisors: 1 7 19 133 557 3899 10583 74081 153941 1077587 2924879 20474153 85745137 600215959 1629157603 11404103221