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11254430143 = 111023130013
BaseRepresentation
bin10100111101101000…
…01111100110111111
31002001100012021210001
422132310033212333
5141022113231033
65100433255131
7545616035455
oct123664174677
932040167701
1011254430143
114855917a40
1222211044a7
1310a485b628
1478a9c09d5
1545d09ae7d
hex29ed0f9bf

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".

Divisors: 1 11 1023130013 11254430143