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130724043 = 3238118301
BaseRepresentation
bin1111100101010…
…11000011001011
3100002222110200020
413302223003023
5231431132133
620545511523
73145064442
oct762530313
9302873606
10130724043
11678769aa
12379425a3
1321110208
141350bd59
15b7230b3
hex7cab0cb

130724043 has 8 divisors (see below), whose sum is σ = 174381456. Its totient is φ = 87108000.

The previous prime is 130724017. The next prime is 130724053. The reversal of 130724043 is 340427031.

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

It is not a de Polignac number, because 130724043 - 26 = 130723979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (130724003) 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, 2008 + ... + 16293.

It is an arithmetic number, because the mean of its divisors is an integer number (21797682).

Almost surely, 2130724043 is an apocalyptic number.

130724043 is a deficient number, since it is larger than the sum of its proper divisors (43657413).

130724043 is a wasteful number, since it uses less digits than its factorization.

130724043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20685.

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 130724043 is about 11433.4615493297. The cubic root of 130724043 is about 507.5184368883.

The spelling of 130724043 in words is "one hundred thirty million, seven hundred twenty-four thousand, forty-three".

Divisors: 1 3 2381 7143 18301 54903 43574681 130724043