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2113103111 = 71717757169
BaseRepresentation
bin111110111110011…
…0110010100000111
312110021011202112012
41331330312110013
513311423244421
6545403044435
7103236036320
oct17574662407
95407152465
102113103111
11994878709
124ab81071b
13278a27c92
141608db447
15c57a495b
hex7df36507

2113103111 has 8 divisors (see below), whose sum is σ = 2557032480. Its totient is φ = 1704688128.

The previous prime is 2113103099. The next prime is 2113103147. The reversal of 2113103111 is 1113013112.

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 a de Polignac number, because none of the positive numbers 2k-2113103111 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 (2113103171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8878466 + ... + 8878703.

It is an arithmetic number, because the mean of its divisors is an integer number (319629060).

Almost surely, 22113103111 is an apocalyptic number.

2113103111 is a deficient number, since it is larger than the sum of its proper divisors (443929369).

2113103111 is a wasteful number, since it uses less digits than its factorization.

2113103111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17757193.

The product of its (nonzero) digits is 18, while the sum is 14.

The square root of 2113103111 is about 45968.5012916453. The cubic root of 2113103111 is about 1283.2370685237.

Adding to 2113103111 its reverse (1113013112), we get a palindrome (3226116223).

The spelling of 2113103111 in words is "two billion, one hundred thirteen million, one hundred three thousand, one hundred eleven".

Divisors: 1 7 17 119 17757169 124300183 301871873 2113103111