Base | Representation |
---|---|
bin | 100000111000101… |
… | …0010100100001101 |
3 | 2211220022120022101 |
4 | 1001301102210031 |
5 | 4224440041031 |
6 | 301254315101 |
7 | 36226041436 |
oct | 10161224415 |
9 | 2756276271 |
10 | 1103440141 |
11 | 516954a01 |
12 | 269658a91 |
13 | 1477b677b |
14 | a679648d |
15 | 66d15361 |
hex | 41c5290d |
1103440141 has 4 divisors (see below), whose sum is σ = 1113205212. Its totient is φ = 1093675072.
The previous prime is 1103440139. The next prime is 1103440153. The reversal of 1103440141 is 1410443011.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1410443011 = 79 ⋅17853709.
It can be written as a sum of positive squares in 2 ways, for example, as 41332041 + 1062108100 = 6429^2 + 32590^2 .
It is a cyclic number.
It is not a de Polignac number, because 1103440141 - 21 = 1103440139 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1103440171) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4882366 + ... + 4882591.
It is an arithmetic number, because the mean of its divisors is an integer number (278301303).
Almost surely, 21103440141 is an apocalyptic number.
It is an amenable number.
1103440141 is a deficient number, since it is larger than the sum of its proper divisors (9765071).
1103440141 is an equidigital number, since it uses as much as digits as its factorization.
1103440141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9765070.
The product of its (nonzero) digits is 192, while the sum is 19.
The square root of 1103440141 is about 33218.0694953816. The cubic root of 1103440141 is about 1033.3551135079.
Adding to 1103440141 its reverse (1410443011), we get a palindrome (2513883152).
The spelling of 1103440141 in words is "one billion, one hundred three million, four hundred forty thousand, one hundred forty-one".
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