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10112011111 = 1723151171271
BaseRepresentation
bin10010110101011100…
…10000101101100111
3222002201112101111001
421122232100231213
5131202133323421
64351223254131
7505404450646
oct113256205547
928081471431
1010112011111
114319a6a684
121b625aa347
13c51c78037
146bcd9d35d
153e2b36691
hex25ab90b67

10112011111 has 16 divisors (see below), whose sum is σ = 11246404608. Its totient is φ = 9043056000.

The previous prime is 10112011099. The next prime is 10112011127. The reversal of 10112011111 is 11111021101.

It is a cyclic number.

It is not a de Polignac number, because 10112011111 - 25 = 10112011079 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 (10112011141) 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, 26595 + ... + 144676.

It is an arithmetic number, because the mean of its divisors is an integer number (702900288).

Almost surely, 210112011111 is an apocalyptic number.

10112011111 is a deficient number, since it is larger than the sum of its proper divisors (1134393497).

10112011111 is a wasteful number, since it uses less digits than its factorization.

10112011111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171462.

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 10112011111 its reverse (11111021101), we get a palindrome (21223032212).

The spelling of 10112011111 in words is "ten billion, one hundred twelve million, eleven thousand, one hundred eleven".

Divisors: 1 17 23 151 391 2567 3473 59041 171271 2911607 3939233 25861921 66966961 439652657 594824183 10112011111