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5172309487 = 10761378857
BaseRepresentation
bin1001101000100101…
…10010110111101111
3111100110121112202001
410310102302313233
541043102400422
62213124313131
7242113622332
oct46422626757
914313545661
105172309487
1122146a7744
1210042427a7
1364576c177
14370d16619
15204141227
hex1344b2def

5172309487 has 8 divisors (see below), whose sum is σ = 5229231696. Its totient is φ = 5115546432.

The previous prime is 5172309473. The next prime is 5172309497. The reversal of 5172309487 is 7849032715.

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 5172309487 - 215 = 5172276719 is a prime.

It is a pancake number, because a pancake can be divided into 5172309487 parts by 101708 straight cuts.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5172309407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26163 + ... + 105019.

It is an arithmetic number, because the mean of its divisors is an integer number (653653962).

Almost surely, 25172309487 is an apocalyptic number.

5172309487 is a deficient number, since it is larger than the sum of its proper divisors (56922209).

5172309487 is a wasteful number, since it uses less digits than its factorization.

5172309487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79577.

The product of its (nonzero) digits is 423360, while the sum is 46.

The square root of 5172309487 is about 71918.7700603952. The cubic root of 5172309487 is about 1729.3975300884.

The spelling of 5172309487 in words is "five billion, one hundred seventy-two million, three hundred nine thousand, four hundred eighty-seven".

Divisors: 1 107 613 65591 78857 8437699 48339341 5172309487