Search a number
-
+
111019027680 = 253451117192411
BaseRepresentation
bin110011101100100111…
…1111110110011100000
3101121120002212221120000
41213121033332303200
53304331332341210
6123000151020000
711010104110431
oct1473117766340
9347502787500
10111019027680
11430a038a750
121962406a600
13a613669a72
145532685488
152d4b7d6ac0
hex19d93fece0

111019027680 has 960 divisors, whose sum is σ = 476582641920. Its totient is φ = 23987404800.

The previous prime is 111019027649. The next prime is 111019027687. The reversal of 111019027680 is 86720910111.

111019027680 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111019027687) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 46045675 + ... + 46048085.

It is an arithmetic number, because the mean of its divisors is an integer number (496440252).

Almost surely, 2111019027680 is an apocalyptic number.

111019027680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111019027680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (238291320960).

111019027680 is an abundant number, since it is smaller than the sum of its proper divisors (365563614240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111019027680 is a wasteful number, since it uses less digits than its factorization.

111019027680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2485 (or 2468 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 36.

Adding to 111019027680 its reverse (86720910111), we get a palindrome (197739937791).

The spelling of 111019027680 in words is "one hundred eleven billion, nineteen million, twenty-seven thousand, six hundred eighty".