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11000011001 = 71873838991
BaseRepresentation
bin10100011111010011…
…01101100011111001
31001101121110110022212
422033221231203321
5140012000323001
65015304224505
7536406356630
oct121751554371
931347413285
1011000011001
114735246091
12216ba6b135
131063c2c665
14764cb4517
15445a927bb
hex28fa6d8f9

11000011001 has 8 divisors (see below), whose sum is σ = 12578168064. Its totient is φ = 9423535680.

The previous prime is 11000010979. The next prime is 11000011003. The reversal of 11000011001 is 10011000011.

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 11000011001 - 214 = 10999994617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11000011003) 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, 406385 + ... + 432606.

It is an arithmetic number, because the mean of its divisors is an integer number (1572271008).

Almost surely, 211000011001 is an apocalyptic number.

It is an amenable number.

11000011001 is a deficient number, since it is larger than the sum of its proper divisors (1578157063).

11000011001 is an equidigital number, since it uses as much as digits as its factorization.

11000011001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840871.

The product of its (nonzero) digits is 1, while the sum is 5.

Adding to 11000011001 its reverse (10011000011), we get a palindrome (21011011012).

The spelling of 11000011001 in words is "eleven billion, eleven thousand, one".

Divisors: 1 7 1873 13111 838991 5872937 1571430143 11000011001