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11142113 = 193118917
BaseRepresentation
bin101010100000…
…001111100001
3202222002002212
4222200033201
510323021423
61034451505
7163464203
oct52401741
922862085
1011142113
116320264
123893b95
132401688
1416a0773
15ea1578
hexaa03e1

11142113 has 8 divisors (see below), whose sum is σ = 12107520. Its totient is φ = 10214640.

The previous prime is 11142107. The next prime is 11142181. The reversal of 11142113 is 31124111.

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 11142113 - 26 = 11142049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11142013) 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, 8870 + ... + 10047.

It is an arithmetic number, because the mean of its divisors is an integer number (1513440).

Almost surely, 211142113 is an apocalyptic number.

It is an amenable number.

11142113 is a deficient number, since it is larger than the sum of its proper divisors (965407).

11142113 is a wasteful number, since it uses less digits than its factorization.

11142113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18967.

The product of its digits is 24, while the sum is 14.

The square root of 11142113 is about 3337.9803774139. The cubic root of 11142113 is about 223.3516608310.

Adding to 11142113 its reverse (31124111), we get a palindrome (42266224).

It can be divided in two parts, 111 and 42113, that added together give a palindrome (42224).

The spelling of 11142113 in words is "eleven million, one hundred forty-two thousand, one hundred thirteen".

Divisors: 1 19 31 589 18917 359423 586427 11142113