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11142530347 = 13857117719
BaseRepresentation
bin10100110000010010…
…11000010100101011
31001202112122012010011
422120021120110223
5140304441432342
65041355032351
7543056642134
oct123011302453
931675565104
1011142530347
1147a8738a73
1221ab73b6b7
13108760c630
14779bb2c8b
15453345717
hex29825852b

11142530347 has 4 divisors (see below), whose sum is σ = 11999648080. Its totient is φ = 10285412616.

The previous prime is 11142530339. The next prime is 11142530363. The reversal of 11142530347 is 74303524111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74303524111 = 129379574309.

It is a cyclic number.

It is not a de Polignac number, because 11142530347 - 23 = 11142530339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11142530317) 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, 428558847 + ... + 428558872.

It is an arithmetic number, because the mean of its divisors is an integer number (2999912020).

Almost surely, 211142530347 is an apocalyptic number.

11142530347 is a deficient number, since it is larger than the sum of its proper divisors (857117733).

11142530347 is an equidigital number, since it uses as much as digits as its factorization.

11142530347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857117732.

The product of its (nonzero) digits is 10080, while the sum is 31.

The spelling of 11142530347 in words is "eleven billion, one hundred forty-two million, five hundred thirty thousand, three hundred forty-seven".

Divisors: 1 13 857117719 11142530347