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11111020000009 = 173239464957803
BaseRepresentation
bin1010000110101111110001…
…1001100111001100001001
31110100012111002101000122121
42201223330121213030021
52424020332110000014
635344155423251241
72224513301463616
oct241537431471411
943305432330577
1011111020000009
1135a4180143136
1212b5482149b21
136279c3041557
142a5ac1dd150d
151440530d4124
hexa1afc667309

11111020000009 has 16 divisors (see below), whose sum is σ = 11224611936000. Its totient is φ = 10998017059456.

The previous prime is 11111020000007. The next prime is 11111020000103. The reversal of 11111020000009 is 90000002011111.

11111020000009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 11111020000009 - 21 = 11111020000007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11111019999947 and 11111020000001.

It is not an unprimeable number, because it can be changed into a prime (11111020000007) 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, 192193302 + ... + 192251104.

It is an arithmetic number, because the mean of its divisors is an integer number (701538246000).

Almost surely, 211111020000009 is an apocalyptic number.

It is an amenable number.

11111020000009 is a deficient number, since it is larger than the sum of its proper divisors (113591935991).

11111020000009 is a wasteful number, since it uses less digits than its factorization.

11111020000009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62864.

The product of its (nonzero) digits is 18, while the sum is 16.

The spelling of 11111020000009 in words is "eleven trillion, one hundred eleven billion, twenty million, nine", and thus it is an aban number.

Divisors: 1 173 239 4649 41347 57803 804277 1111111 9999919 13814917 192222203 268726147 2389980641 46489623431 64225549133 11111020000009