Search a number
-
+
11231441040 = 243546797671
BaseRepresentation
bin10100111010111001…
…00011000010010000
31001222201221022122210
422131130203002100
5141000222103130
65054252432120
7545216450031
oct123534430220
931881838583
1011231441040
114843945986
122215478640
13109cb6c801
14787918a88
1545b0595b0
hex29d723090

11231441040 has 40 divisors (see below), whose sum is σ = 34817467968. Its totient is φ = 2995050880.

The previous prime is 11231440933. The next prime is 11231441041. The reversal of 11231441040 is 4014413211.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×112314410402 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11231440998 and 11231441016.

It is not an unprimeable number, because it can be changed into a prime (11231441041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23398596 + ... + 23399075.

Almost surely, 211231441040 is an apocalyptic number.

11231441040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11231441040 is an abundant number, since it is smaller than the sum of its proper divisors (23586026928).

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

11231441040 is a wasteful number, since it uses less digits than its factorization.

11231441040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46797687 (or 46797681 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 11231441040 its reverse (4014413211), we get a palindrome (15245854251).

The spelling of 11231441040 in words is "eleven billion, two hundred thirty-one million, four hundred forty-one thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 46797671 93595342 140393013 187190684 233988355 280786026 374381368 467976710 561572052 701965065 748762736 935953420 1123144104 1403930130 1871906840 2246288208 2807860260 3743813680 5615720520 11231441040