Search a number
-
+
112111010220 = 2235116712719963
BaseRepresentation
bin110100001101001010…
…1100100000110101100
3101201101012122101222210
41220122111210012230
53314100404311340
6123300400010420
711046133602126
oct1503225440654
9351335571883
10112111010220
1143600819360
1219889900a10
13a758971391
1455d76d8216
152db25d7180
hex1a1a5641ac

112111010220 has 192 divisors, whose sum is σ = 350313578496. Its totient is φ = 26560638720.

The previous prime is 112111010197. The next prime is 112111010233. The reversal of 112111010220 is 22010111211.

It is a super-2 number, since 2×1121110102202 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 112111010196 and 112111010205.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5605959 + ... + 5625921.

It is an arithmetic number, because the mean of its divisors is an integer number (1824549888).

Almost surely, 2112111010220 is an apocalyptic number.

112111010220 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 112111010220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175156789248).

112111010220 is an abundant number, since it is smaller than the sum of its proper divisors (238202568276).

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

112111010220 is a wasteful number, since it uses less digits than its factorization.

112111010220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20180 (or 20178 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 112111010220 its reverse (22010111211), we get a palindrome (134121121431).

The spelling of 112111010220 in words is "one hundred twelve billion, one hundred eleven million, ten thousand, two hundred twenty".