Base | Representation |
---|---|
bin | 10100111101101000… |
… | …01111100110111111 |
3 | 1002001100012021210001 |
4 | 22132310033212333 |
5 | 141022113231033 |
6 | 5100433255131 |
7 | 545616035455 |
oct | 123664174677 |
9 | 32040167701 |
10 | 11254430143 |
11 | 4855917a40 |
12 | 22211044a7 |
13 | 10a485b628 |
14 | 78a9c09d5 |
15 | 45d09ae7d |
hex | 29ed0f9bf |
11254430143 has 4 divisors (see below), whose sum is σ = 12277560168. Its totient is φ = 10231300120.
The previous prime is 11254430137. The next prime is 11254430147. The reversal of 11254430143 is 34103445211.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 11254430143 - 25 = 11254430111 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 (11254430147) 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, 511564996 + ... + 511565017.
It is an arithmetic number, because the mean of its divisors is an integer number (3069390042).
Almost surely, 211254430143 is an apocalyptic number.
11254430143 is a deficient number, since it is larger than the sum of its proper divisors (1023130025).
11254430143 is a wasteful number, since it uses less digits than its factorization.
11254430143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1023130024.
The product of its (nonzero) digits is 5760, while the sum is 28.
Adding to 11254430143 its reverse (34103445211), we get a palindrome (45357875354).
The spelling of 11254430143 in words is "eleven billion, two hundred fifty-four million, four hundred thirty thousand, one hundred forty-three".
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