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11004144121 = 311231288361
BaseRepresentation
bin10100011111110010…
…11110100111111001
31001101220020102220101
422033321132213321
5140014030102441
65015532555401
7536456452555
oct121771364771
931356212811
1011004144121
114737609393
122171322b61
131064a489a9
1476566c865
1544610c231
hex28fe5e9f9

11004144121 has 8 divisors (see below), whose sum is σ = 11368383488. Its totient is φ = 10640484000.

The previous prime is 11004144113. The next prime is 11004144197. The reversal of 11004144121 is 12144140011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11004144121 - 23 = 11004144113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11004145121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106020 + ... + 182341.

It is an arithmetic number, because the mean of its divisors is an integer number (1421047936).

Almost surely, 211004144121 is an apocalyptic number.

It is an amenable number.

11004144121 is a deficient number, since it is larger than the sum of its proper divisors (364239367).

11004144121 is a wasteful number, since it uses less digits than its factorization.

11004144121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289623.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 11004144121 its reverse (12144140011), we get a palindrome (23148284132).

The spelling of 11004144121 in words is "eleven billion, four million, one hundred forty-four thousand, one hundred twenty-one".

Divisors: 1 31 1231 38161 288361 8939191 354972391 11004144121