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5717621087 = 10875260001
BaseRepresentation
bin1010101001100101…
…11111100101011111
3112202110201020121222
411110302333211133
543202202333322
62343204243555
7261454656143
oct52462774537
915673636558
105717621087
1124744a2392
1211369a05bb
1370172a659
143c3505223
15236e59e42
hex154cbf95f

5717621087 has 4 divisors (see below), whose sum is σ = 5722882176. Its totient is φ = 5712360000.

The previous prime is 5717621081. The next prime is 5717621149. The reversal of 5717621087 is 7801267175.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5717621087 - 210 = 5717620063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5717621081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2628914 + ... + 2631087.

It is an arithmetic number, because the mean of its divisors is an integer number (1430720544).

Almost surely, 25717621087 is an apocalyptic number.

5717621087 is a deficient number, since it is larger than the sum of its proper divisors (5261089).

5717621087 is a wasteful number, since it uses less digits than its factorization.

5717621087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5261088.

The product of its (nonzero) digits is 164640, while the sum is 44.

The square root of 5717621087 is about 75614.9528003556. The cubic root of 5717621087 is about 1788.1548443748.

The spelling of 5717621087 in words is "five billion, seven hundred seventeen million, six hundred twenty-one thousand, eighty-seven".

Divisors: 1 1087 5260001 5717621087