Search a number
-
+
211110112040 = 23511346705777
BaseRepresentation
bin1100010010011100100…
…1001010101100101000
3202011220121220212001112
43010213021022230220
511424323142041130
6240552130205452
721152335226132
oct3044711125450
9664817825045
10211110112040
1181593177883
1234ab8423888
1316ba4cbab79
14a309856052
155758a14495
hex312724ab28

211110112040 has 32 divisors (see below), whose sum is σ = 479201282280. Its totient is φ = 83696750592.

The previous prime is 211110112009. The next prime is 211110112097. The reversal of 211110112040 is 40211011112.

It can be written as a sum of positive squares in 4 ways, for example, as 107674547044 + 103435564996 = 328138^2 + 321614^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23348369 + ... + 23357408.

Almost surely, 2211110112040 is an apocalyptic number.

211110112040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211110112040 is an abundant number, since it is smaller than the sum of its proper divisors (268091170240).

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

211110112040 is a wasteful number, since it uses less digits than its factorization.

211110112040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46705901 (or 46705897 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 211110112040 its reverse (40211011112), we get a palindrome (251321123152).

The spelling of 211110112040 in words is "two hundred eleven billion, one hundred ten million, one hundred twelve thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 113 226 452 565 904 1130 2260 4520 46705777 93411554 186823108 233528885 373646216 467057770 934115540 1868231080 5277752801 10555505602 21111011204 26388764005 42222022408 52777528010 105555056020 211110112040