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113102643 = 3157439547
BaseRepresentation
bin1101011110111…
…00111100110011
321212211012122210
412233130330303
5212423241033
615120103203
72542233213
oct657347463
9255735583
10113102643
1158930765
1231a64b03
131a580654
1411042243
159de1d63
hex6bdcf33

113102643 has 16 divisors (see below), whose sum is σ = 152387840. Its totient is φ = 74614176.

The previous prime is 113102629. The next prime is 113102653. The reversal of 113102643 is 346201311.

It is not a de Polignac number, because 113102643 - 26 = 113102579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113102653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 206496 + ... + 207042.

It is an arithmetic number, because the mean of its divisors is an integer number (9524240).

Almost surely, 2113102643 is an apocalyptic number.

113102643 is a deficient number, since it is larger than the sum of its proper divisors (39285197).

113102643 is a wasteful number, since it uses less digits than its factorization.

113102643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1146.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 113102643 is about 10634.9726374824. The cubic root of 113102643 is about 483.6051508980.

Adding to 113102643 its reverse (346201311), we get a palindrome (459303954).

The spelling of 113102643 in words is "one hundred thirteen million, one hundred two thousand, six hundred forty-three".

Divisors: 1 3 157 439 471 547 1317 1641 68923 85879 206769 240133 257637 720399 37700881 113102643