Search a number
-
+
2111424144 = 243106341381
BaseRepresentation
bin111110111011001…
…1100011010010000
312110011000110102020
41331312130122100
513311011033034
6545303051440
7103215544344
oct17566343220
95404013366
102111424144
11993931235
124ab140b80
1327858a9cb
141605c1624
15c5572249
hex7dd9c690

2111424144 has 40 divisors (see below), whose sum is σ = 5459775552. Its totient is φ = 703128960.

The previous prime is 2111424137. The next prime is 2111424169. The reversal of 2111424144 is 4414241112.

It is a super-2 number, since 2×21114241442 = 8916223831732265472, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30334 + ... + 71714.

Almost surely, 22111424144 is an apocalyptic number.

2111424144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2111424144 is an abundant number, since it is smaller than the sum of its proper divisors (3348351408).

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

2111424144 is a wasteful number, since it uses less digits than its factorization.

2111424144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42455 (or 42449 counting only the distinct ones).

The product of its digits is 1024, while the sum is 24.

The square root of 2111424144 is about 45950.2355162626. The cubic root of 2111424144 is about 1282.8971129460.

Adding to 2111424144 its reverse (4414241112), we get a palindrome (6525665256).

The spelling of 2111424144 in words is "two billion, one hundred eleven million, four hundred twenty-four thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 12 16 24 48 1063 2126 3189 4252 6378 8504 12756 17008 25512 41381 51024 82762 124143 165524 248286 331048 496572 662096 993144 1986288 43988003 87976006 131964009 175952012 263928018 351904024 527856036 703808048 1055712072 2111424144