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10000011001 = 23434783087
BaseRepresentation
bin10010101000000110…
…00000111011111001
3221210220210012012211
421110003000323321
5130440000323001
64332142535121
7502544456011
oct112403007371
927726705184
1010000011001
114271822302
121b30b974a1
13c349c2496
146ac166c41
153d7db1351
hex2540c0ef9

10000011001 has 4 divisors (see below), whose sum is σ = 10434794112. Its totient is φ = 9565227892.

The previous prime is 10000010971. The next prime is 10000011017. The reversal of 10000011001 is 10011000001.

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 10000011001 - 27 = 10000010873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10000011061) 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, 217391521 + ... + 217391566.

It is an arithmetic number, because the mean of its divisors is an integer number (2608698528).

Almost surely, 210000011001 is an apocalyptic number.

It is an amenable number.

10000011001 is a deficient number, since it is larger than the sum of its proper divisors (434783111).

10000011001 is an equidigital number, since it uses as much as digits as its factorization.

10000011001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434783110.

The product of its (nonzero) digits is 1, while the sum is 4.

Adding to 10000011001 its reverse (10011000001), we get a palindrome (20011011002).

It can be divided in two parts, 1000001 and 1001, that multiplied together give a palindrome (1001001001).

The spelling of 10000011001 in words is "ten billion, eleven thousand, one".

Divisors: 1 23 434783087 10000011001