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10011031111 = 174319968819
BaseRepresentation
bin10010101001011010…
…00011011001000111
3221211200112001222001
421110231003121013
5131000310443421
64333215050131
7503040234424
oct112455033107
927750461861
1010011031111
114277a69934
121b34810947
13c37080463
146ad7d4d4b
153d8d3b691
hex254b43647

10011031111 has 16 divisors (see below), whose sum is σ = 10901088000. Its totient is φ = 9156647808.

The previous prime is 10011031103. The next prime is 10011031123. The reversal of 10011031111 is 11113011001.

It is a cyclic number.

It is not a de Polignac number, because 10011031111 - 23 = 10011031103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10011031141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111060 + ... + 179878.

It is an arithmetic number, because the mean of its divisors is an integer number (681318000).

Almost surely, 210011031111 is an apocalyptic number.

10011031111 is a deficient number, since it is larger than the sum of its proper divisors (890056889).

10011031111 is a wasteful number, since it uses less digits than its factorization.

10011031111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69078.

The product of its (nonzero) digits is 3, while the sum is 10.

Adding to 10011031111 its reverse (11113011001), we get a palindrome (21124042112).

The spelling of 10011031111 in words is "ten billion, eleven million, thirty-one thousand, one hundred eleven".

Divisors: 1 17 43 199 731 3383 8557 68819 145469 1169923 2959217 13694981 50306689 232814677 588884183 10011031111