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11102143 = 132573323
BaseRepresentation
bin101010010110…
…011110111111
3202220001021111
4222112132333
510320232033
61033542451
7163236523
oct52263677
922801244
1011102143
1162a3228
123874a27
1323b9420
14168dd83
15e947cd
hexa967bf

11102143 has 8 divisors (see below), whose sum is σ = 12006288. Its totient is φ = 10205184.

The previous prime is 11102141. The next prime is 11102153. The reversal of 11102143 is 34120111.

11102143 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11102143 - 21 = 11102141 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11102141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1680 + ... + 5002.

It is an arithmetic number, because the mean of its divisors is an integer number (1500786).

Almost surely, 211102143 is an apocalyptic number.

11102143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11102143 is a deficient number, since it is larger than the sum of its proper divisors (904145).

11102143 is a wasteful number, since it uses less digits than its factorization.

11102143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3593.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 11102143 is about 3331.9878451159. The cubic root of 11102143 is about 223.0842650439.

Adding to 11102143 its reverse (34120111), we get a palindrome (45222254).

The spelling of 11102143 in words is "eleven million, one hundred two thousand, one hundred forty-three".

Divisors: 1 13 257 3323 3341 43199 854011 11102143