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5180209729 = 55756316519
BaseRepresentation
bin1001101001100001…
…11011101001000001
3111101000110220211121
410310300323221001
541102113202404
62214005512241
7242241025162
oct46460735101
914330426747
105180209729
112219103272
121006a12681
136472a7076
14371db1769
15204ba1e54
hex134c3ba41

5180209729 has 8 divisors (see below), whose sum is σ = 5199042240. Its totient is φ = 5161412496.

The previous prime is 5180209703. The next prime is 5180209733. The reversal of 5180209729 is 9279020815.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5180209729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5180209759) 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, 305332 + ... + 321850.

It is an arithmetic number, because the mean of its divisors is an integer number (649880280).

Almost surely, 25180209729 is an apocalyptic number.

It is an amenable number.

5180209729 is a deficient number, since it is larger than the sum of its proper divisors (18832511).

5180209729 is a wasteful number, since it uses less digits than its factorization.

5180209729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17639.

The product of its (nonzero) digits is 90720, while the sum is 43.

The square root of 5180209729 is about 71973.6738606555. The cubic root of 5180209729 is about 1730.2775823982.

The spelling of 5180209729 in words is "five billion, one hundred eighty million, two hundred nine thousand, seven hundred twenty-nine".

Divisors: 1 557 563 16519 313591 9201083 9300197 5180209729