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10001111011 = 431111320929
BaseRepresentation
bin10010101000001110…
…01101011111100011
3221210222212002010221
421110013031133203
5130440241023021
64332222303511
7502560020023
oct112407153743
927728762127
1010001111011
114272403801
121b31427b97
13c34cb9088
146ac371a83
153d802c241
hex2541cd7e3

10001111011 has 8 divisors (see below), whose sum is σ = 10235104880. Its totient is φ = 9767181312.

The previous prime is 10001110963. The next prime is 10001111023. The reversal of 10001111011 is 11011110001.

It is a happy number.

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 10001111011 - 29 = 10001110499 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10001110985 and 10001111003.

It is not an unprimeable number, because it can be changed into a prime (10001111051) 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, 467395 + ... + 488323.

It is an arithmetic number, because the mean of its divisors is an integer number (1279388110).

Almost surely, 210001111011 is an apocalyptic number.

10001111011 is a deficient number, since it is larger than the sum of its proper divisors (233993869).

10001111011 is a wasteful number, since it uses less digits than its factorization.

10001111011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32085.

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

Adding to 10001111011 its reverse (11011110001), we get a palindrome (21012221012).

The spelling of 10001111011 in words is "ten billion, one million, one hundred eleven thousand, eleven".

Divisors: 1 43 11113 20929 477859 899947 232583977 10001111011