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1112115023 = 1813361331
BaseRepresentation
bin100001001001001…
…1000011101001111
32212111122022000022
41002102120131033
54234200140043
6302204252355
736362551565
oct10222303517
92774568008
101112115023
1152083a528
122705410bb
13149533136
14a79b3a35
156797a868
hex4249874f

1112115023 has 4 divisors (see below), whose sum is σ = 1112194488. Its totient is φ = 1112035560.

The previous prime is 1112115019. The next prime is 1112115029. The reversal of 1112115023 is 3205112111.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3205112111 = 11689274199.

It is a cyclic number.

It is not a de Polignac number, because 1112115023 - 22 = 1112115019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1112114992 and 1112115010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112115029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12533 + ... + 48798.

It is an arithmetic number, because the mean of its divisors is an integer number (278048622).

Almost surely, 21112115023 is an apocalyptic number.

1112115023 is a deficient number, since it is larger than the sum of its proper divisors (79465).

1112115023 is an equidigital number, since it uses as much as digits as its factorization.

1112115023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79464.

The product of its (nonzero) digits is 60, while the sum is 17.

The square root of 1112115023 is about 33348.3886117455. The cubic root of 1112115023 is about 1036.0560135161.

Adding to 1112115023 its reverse (3205112111), we get a palindrome (4317227134).

The spelling of 1112115023 in words is "one billion, one hundred twelve million, one hundred fifteen thousand, twenty-three".

Divisors: 1 18133 61331 1112115023