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9011112111109 = 73137901021109
BaseRepresentation
bin1000001100100001000000…
…1000101110110000000101
31011220110020220012120010001
42003020100020232300011
52140114224200023414
631055351525401301
71620013521104533
oct203102010566005
934813226176101
109011112111109
11296465595a729
1210164b7269231
1350498a0ab574
142321d681b153
151095ee014074
hex8321022ec05

9011112111109 has 8 divisors (see below), whose sum is σ = 9201227575320. Its totient is φ = 8822798689536.

The previous prime is 9011112111107. The next prime is 9011112111121.

9011112111109 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 4582810562500 + 4428301548609 = 2140750^2 + 2104353^2 .

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 9011112111109 - 21 = 9011112111107 is a prime.

It is a super-2 number, since 2×90111121111092 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9011112111107) 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, 450500554 + ... + 450520555.

It is an arithmetic number, because the mean of its divisors is an integer number (1150153446915).

Almost surely, 29011112111109 is an apocalyptic number.

It is an amenable number.

9011112111109 is a deficient number, since it is larger than the sum of its proper divisors (190115464211).

9011112111109 is a wasteful number, since it uses less digits than its factorization.

9011112111109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 901021319.

The product of its (nonzero) digits is 162, while the sum is 28.

The spelling of 9011112111109 in words is "nine trillion, eleven billion, one hundred twelve million, one hundred eleven thousand, one hundred nine".

Divisors: 1 73 137 10001 901021109 65774540957 123439891933 9011112111109