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11001101010001 = 26877140931131
BaseRepresentation
bin1010000000010110010010…
…1101111100010001010001
31102221200202122101210002121
42200011210231330101101
52420220223324310001
635221500330014241
72213542352464114
oct240054455742121
942850678353077
1011001101010001
1135615a47a4033
121298106577381
1361a52656966b
142a065589857b
1514126d18e6a1
hexa0164b7c451

11001101010001 has 4 divisors (see below), whose sum is σ = 11001142209904. Its totient is φ = 11001059810100.

The previous prime is 11001101009993. The next prime is 11001101010019. The reversal of 11001101010001 is 10001010110011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11001101010001 - 23 = 11001101009993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11001101010301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20196795 + ... + 20734336.

It is an arithmetic number, because the mean of its divisors is an integer number (2750285552476).

Almost surely, 211001101010001 is an apocalyptic number.

It is an amenable number.

11001101010001 is a deficient number, since it is larger than the sum of its proper divisors (41199903).

11001101010001 is an equidigital number, since it uses as much as digits as its factorization.

11001101010001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41199902.

The product of its (nonzero) digits is 1, while the sum is 7.

Adding to 11001101010001 its reverse (10001010110011), we get a palindrome (21002111120012).

The spelling of 11001101010001 in words is "eleven trillion, one billion, one hundred one million, ten thousand, one".

Divisors: 1 268771 40931131 11001101010001