Base | Representation |
---|---|
bin | 100000111001101… |
… | …0011100011100001 |
3 | 2211221022102001112 |
4 | 1001303103203201 |
5 | 4230103442411 |
6 | 301313513105 |
7 | 36233402000 |
oct | 10163234341 |
9 | 2757272045 |
10 | 1103968481 |
11 | 517185950 |
12 | 269872795 |
13 | 1479400b5 |
14 | a6892c37 |
15 | 66dbbb8b |
hex | 41cd38e1 |
1103968481 has 32 divisors (see below), whose sum is σ = 1418860800. Its totient is φ = 851424000.
The previous prime is 1103968391. The next prime is 1103968487. The reversal of 1103968481 is 1848693011.
It is not a de Polignac number, because 1103968481 - 210 = 1103967457 is a prime.
It is a super-2 number, since 2×11039684812 = 2437492814082894722, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (1103968487) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 379625 + ... + 382521.
It is an arithmetic number, because the mean of its divisors is an integer number (44339400).
Almost surely, 21103968481 is an apocalyptic number.
1103968481 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
1103968481 is a deficient number, since it is larger than the sum of its proper divisors (314892319).
1103968481 is a wasteful number, since it uses less digits than its factorization.
1103968481 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3030 (or 3016 counting only the distinct ones).
The product of its (nonzero) digits is 41472, while the sum is 41.
The square root of 1103968481 is about 33226.0211430740. The cubic root of 1103968481 is about 1033.5200146825.
The spelling of 1103968481 in words is "one billion, one hundred three million, nine hundred sixty-eight thousand, four hundred eighty-one".
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