Base | Representation |
---|---|
bin | 10101011111110101… |
… | …00100001100111111 |
3 | 1002210022222210021201 |
4 | 22233322210030333 |
5 | 142114033100111 |
6 | 5145122040331 |
7 | 556001301022 |
oct | 125772441477 |
9 | 32708883251 |
10 | 11541300031 |
11 | 4992843598 |
12 | 22a11a90a7 |
13 | 111c10cc21 |
14 | 7b6b371b9 |
15 | 4783646c1 |
hex | 2afea433f |
11541300031 has 4 divisors (see below), whose sum is σ = 11913600064. Its totient is φ = 11169000000.
The previous prime is 11541300013. The next prime is 11541300047. The reversal of 11541300031 is 13000314511.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13000314511 = 17 ⋅764724383.
It is a cyclic number.
It is not a de Polignac number, because 11541300031 - 29 = 11541299519 is a prime.
It is a super-2 number, since 2×115413000312 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 11541299981 and 11541300008.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (11541307031) 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, 186149970 + ... + 186150031.
It is an arithmetic number, because the mean of its divisors is an integer number (2978400016).
Almost surely, 211541300031 is an apocalyptic number.
11541300031 is a deficient number, since it is larger than the sum of its proper divisors (372300033).
11541300031 is an equidigital number, since it uses as much as digits as its factorization.
11541300031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 372300032.
The product of its (nonzero) digits is 180, while the sum is 19.
Adding to 11541300031 its reverse (13000314511), we get a palindrome (24541614542).
The spelling of 11541300031 in words is "eleven billion, five hundred forty-one million, three hundred thousand, thirty-one".
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