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113215663 = 1110292333
BaseRepresentation
bin1101011111110…
…00100010101111
321220000221200201
412233320202233
5212440400123
615122334331
72543213551
oct657704257
9256027621
10113215663
11589a8670
1231aba3a7
131a5bcc22
14110714d1
159e155ad
hex6bf88af

113215663 has 4 divisors (see below), whose sum is σ = 123508008. Its totient is φ = 102923320.

The previous prime is 113215657. The next prime is 113215667. The reversal of 113215663 is 366512311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-113215663 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 (113215667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5146156 + ... + 5146177.

It is an arithmetic number, because the mean of its divisors is an integer number (30877002).

Almost surely, 2113215663 is an apocalyptic number.

113215663 is a deficient number, since it is larger than the sum of its proper divisors (10292345).

113215663 is a wasteful number, since it uses less digits than its factorization.

113215663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10292344.

The product of its digits is 3240, while the sum is 28.

The square root of 113215663 is about 10640.2849115989. The cubic root of 113215663 is about 483.7661812008.

Adding to 113215663 its reverse (366512311), we get a palindrome (479727974).

The spelling of 113215663 in words is "one hundred thirteen million, two hundred fifteen thousand, six hundred sixty-three".

Divisors: 1 11 10292333 113215663