Search a number
-
+
112212101012240 = 2451402651262653
BaseRepresentation
bin11001100000111001101010…
…011010111001101100010000
3112201022101001020212102200002
4121200321222122321230100
5104201440340324342430
61034353305541345132
732431025320054655
oct3140715232715420
9481271036772602
10112212101012240
1132832980726839
12107035597081a8
134a7c72bbc5968
141d9d147aa5c2c
15ce8d631d9845
hex660e6a6b9b10

112212101012240 has 20 divisors (see below), whose sum is σ = 260893134853644. Its totient is φ = 44884840404864.

The previous prime is 112212101012239. The next prime is 112212101012261. The reversal of 112212101012240 is 42210101212211.

It can be written as a sum of positive squares in 2 ways, for example, as 40632108446224 + 71579992566016 = 6374332^2 + 8460496^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×1122121010122402 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 701325631247 + ... + 701325631406.

Almost surely, 2112212101012240 is an apocalyptic number.

112212101012240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112212101012240 is an abundant number, since it is smaller than the sum of its proper divisors (148681033841404).

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

112212101012240 is a wasteful number, since it uses less digits than its factorization.

112212101012240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1402651262666 (or 1402651262660 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 112212101012240 its reverse (42210101212211), we get a palindrome (154422202224451).

The spelling of 112212101012240 in words is "one hundred twelve trillion, two hundred twelve billion, one hundred one million, twelve thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 1402651262653 2805302525306 5610605050612 7013256313265 11221210101224 14026512626530 22442420202448 28053025253060 56106050506120 112212101012240