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11188310047 = 101277399911
BaseRepresentation
bin10100110101110000…
…00001000000011111
31001212201210001001121
422122320001000133
5140403201410142
65050112151411
7544154031505
oct123270010037
931781701047
1011188310047
114821566a32
122202b38567
131093c4ab05
14781ccc675
15457389c67
hex29ae0101f

11188310047 has 8 divisors (see below), whose sum is σ = 11339904672. Its totient is φ = 11037516000.

The previous prime is 11188310041. The next prime is 11188310117. The reversal of 11188310047 is 74001388111.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11188310047 is a prime.

It is a super-2 number, since 2×111883100472 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11188309994 and 11188310021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11188310041) 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, 171979 + ... + 227932.

It is an arithmetic number, because the mean of its divisors is an integer number (1417488084).

Almost surely, 211188310047 is an apocalyptic number.

11188310047 is a deficient number, since it is larger than the sum of its proper divisors (151594625).

11188310047 is a wasteful number, since it uses less digits than its factorization.

11188310047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400289.

The product of its (nonzero) digits is 5376, while the sum is 34.

Adding to 11188310047 its reverse (74001388111), we get a palindrome (85189698158).

The spelling of 11188310047 in words is "eleven billion, one hundred eighty-eight million, three hundred ten thousand, forty-seven".

Divisors: 1 101 277 27977 399911 40391011 110775347 11188310047