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11001444145 = 5315910711243
BaseRepresentation
bin10100011111011110…
…01011011100110001
31001101201011021020021
422033233023130301
5140012332203040
65015355043441
7536424506116
oct121757133461
931351137207
1011001444145
1147360348aa
122170440581
131064311a83
1476516890d
15445c7724a
hex28fbcb731

11001444145 has 32 divisors (see below), whose sum is σ = 13989335040. Its totient is φ = 8293897920.

The previous prime is 11001444131. The next prime is 11001444149. The reversal of 11001444145 is 54144410011.

It is not a de Polignac number, because 11001444145 - 27 = 11001444017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11001444149) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 972894 + ... + 984136.

It is an arithmetic number, because the mean of its divisors is an integer number (437166720).

Almost surely, 211001444145 is an apocalyptic number.

It is an amenable number.

11001444145 is a deficient number, since it is larger than the sum of its proper divisors (2987890895).

11001444145 is a wasteful number, since it uses less digits than its factorization.

11001444145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11445.

The product of its (nonzero) digits is 1280, while the sum is 25.

Adding to 11001444145 its reverse (54144410011), we get a palindrome (65145854156).

The spelling of 11001444145 in words is "eleven billion, one million, four hundred forty-four thousand, one hundred forty-five".

Divisors: 1 5 31 59 107 155 295 535 1829 3317 6313 9145 11243 16585 31565 56215 195703 348533 663337 978515 1203001 1742665 3316685 6015005 20563447 37293031 70977059 102817235 186465155 354885295 2200288829 11001444145