Base | Representation |
---|---|
bin | 10100111010111001… |
… | …00011000010010000 |
3 | 1001222201221022122210 |
4 | 22131130203002100 |
5 | 141000222103130 |
6 | 5054252432120 |
7 | 545216450031 |
oct | 123534430220 |
9 | 31881838583 |
10 | 11231441040 |
11 | 4843945986 |
12 | 2215478640 |
13 | 109cb6c801 |
14 | 787918a88 |
15 | 45b0595b0 |
hex | 29d723090 |
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".
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