Search a number
-
+
112155442660 = 22517378915377
BaseRepresentation
bin110100001110011111…
…1000011110111100100
3101201111022020210211201
41220130333003313210
53314143243131120
6123305024212244
711050213350562
oct1503477036744
9351438223751
10112155442660
1143623907088
12198a076a084
13a764c2a571
1455dd582a32
152db646240a
hex1a1cfc3de4

112155442660 has 48 divisors (see below), whose sum is σ = 256120979184. Its totient is φ = 41082052608.

The previous prime is 112155442621. The next prime is 112155442661. The reversal of 112155442660 is 66244551211.

It can be written as a sum of positive squares in 8 ways, for example, as 17089287076 + 95066155584 = 130726^2 + 308328^2 .

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (112155442661) 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, 4445109 + ... + 4470268.

It is an arithmetic number, because the mean of its divisors is an integer number (5335853733).

Almost surely, 2112155442660 is an apocalyptic number.

112155442660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112155442660 is an abundant number, since it is smaller than the sum of its proper divisors (143965536524).

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

112155442660 is a wasteful number, since it uses less digits than its factorization.

112155442660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8915440 (or 8915438 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 37.

Adding to 112155442660 its reverse (66244551211), we get a palindrome (178399993871).

The spelling of 112155442660 in words is "one hundred twelve billion, one hundred fifty-five million, four hundred forty-two thousand, six hundred sixty".

Divisors: 1 2 4 5 10 17 20 34 37 68 74 85 148 170 185 340 370 629 740 1258 2516 3145 6290 12580 8915377 17830754 35661508 44576885 89153770 151561409 178307540 303122818 329868949 606245636 659737898 757807045 1319475796 1515614090 1649344745 3031228180 3298689490 5607772133 6597378980 11215544266 22431088532 28038860665 56077721330 112155442660