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113218727 = 3112173001
BaseRepresentation
bin1101011111110…
…01010010100111
321220001002220012
412233321102213
5212440444402
615122400435
72543225516
oct657712247
9256032805
10113218727
11589aa9a6
1231b0011b
131a5c143b
141107267d
159e16452
hex6bf94a7

113218727 has 8 divisors (see below), whose sum is σ = 117005952. Its totient is φ = 109440000.

The previous prime is 113218709. The next prime is 113218757. The reversal of 113218727 is 727812311.

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 113218727 - 28 = 113218471 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113218693 and 113218702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113218757) 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 7 ways as a sum of consecutive naturals, for example, 36227 + ... + 39227.

It is an arithmetic number, because the mean of its divisors is an integer number (14625744).

Almost surely, 2113218727 is an apocalyptic number.

113218727 is a deficient number, since it is larger than the sum of its proper divisors (3787225).

113218727 is a wasteful number, since it uses less digits than its factorization.

113218727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4249.

The product of its digits is 4704, while the sum is 32.

The square root of 113218727 is about 10640.4288917318. The cubic root of 113218727 is about 483.7705452796.

The spelling of 113218727 in words is "one hundred thirteen million, two hundred eighteen thousand, seven hundred twenty-seven".

Divisors: 1 31 1217 3001 37727 93031 3652217 113218727