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5166286643 = 74372723609
BaseRepresentation
bin1001100111110111…
…10100011100110011
3111100001021112221202
410303323310130303
541040032133033
62212351241415
7242011466120
oct46373643463
914301245852
105166286643
112211263691
12100221926b
1364444095b
143701c9747
152038518e8
hex133ef4733

5166286643 has 16 divisors (see below), whose sum is σ = 6050204160. Its totient is φ = 4319130816.

The previous prime is 5166286633. The next prime is 5166286649. The reversal of 5166286643 is 3466826615.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-5166286643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5166286649) 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, 207023 + ... + 230631.

It is an arithmetic number, because the mean of its divisors is an integer number (378137760).

Almost surely, 25166286643 is an apocalyptic number.

5166286643 is a deficient number, since it is larger than the sum of its proper divisors (883917517).

5166286643 is a wasteful number, since it uses less digits than its factorization.

5166286643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24386.

The product of its digits is 1244160, while the sum is 47.

The square root of 5166286643 is about 71876.8853178823. The cubic root of 5166286643 is about 1728.7260094923.

The spelling of 5166286643 in words is "five billion, one hundred sixty-six million, two hundred eighty-six thousand, six hundred forty-three".

Divisors: 1 7 43 301 727 5089 23609 31261 165263 218827 1015187 7106309 17163743 120146201 738040949 5166286643