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113721283 = 1324315649
BaseRepresentation
bin1101100011100…
…11111111000011
321220222122021101
412301303333003
5213103040113
615141235231
72550420634
oct661637703
9256878241
10113721283
1159213535
1232102b17
131a739100
141116388b
159eb52dd
hex6c73fc3

113721283 has 12 divisors (see below), whose sum is σ = 126013800. Its totient is φ = 102525696.

The previous prime is 113721281. The next prime is 113721319. The reversal of 113721283 is 382127311.

It is not a de Polignac number, because 113721283 - 21 = 113721281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113721281) 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 11 ways as a sum of consecutive naturals, for example, 558 + ... + 15091.

It is an arithmetic number, because the mean of its divisors is an integer number (10501150).

Almost surely, 2113721283 is an apocalyptic number.

113721283 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

113721283 is a deficient number, since it is larger than the sum of its proper divisors (12292517).

113721283 is a wasteful number, since it uses less digits than its factorization.

113721283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15718 (or 15705 counting only the distinct ones).

The product of its digits is 2016, while the sum is 28.

The square root of 113721283 is about 10664.0181451459. The cubic root of 113721283 is about 484.4852767189.

Adding to 113721283 its reverse (382127311), we get a palindrome (495848594).

The spelling of 113721283 in words is "one hundred thirteen million, seven hundred twenty-one thousand, two hundred eighty-three".

Divisors: 1 13 43 169 559 7267 15649 203437 672907 2644681 8747791 113721283