Search a number
-
+
52907241305 = 517644996517
BaseRepresentation
bin110001010001100001…
…000110111101011001
312001120012022022221202
4301101201012331121
51331323223210210
640145533443545
73552043062632
oct612141067531
9161505268852
1052907241305
112048a838516
12a3066405b5
134cb2177759
1427bc8ac889
151599c149a5
hexc51846f59

52907241305 has 16 divisors (see below), whose sum is σ = 67234438800. Its totient is φ = 39829450752.

The previous prime is 52907241287. The next prime is 52907241307. The reversal of 52907241305 is 50314270925.

It can be written as a sum of positive squares in 8 ways, for example, as 7991644816 + 44915596489 = 89396^2 + 211933^2 .

It is a cyclic number.

It is not a de Polignac number, because 52907241305 - 212 = 52907237209 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (52907241307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 499907 + ... + 596423.

It is an arithmetic number, because the mean of its divisors is an integer number (4202152425).

Almost surely, 252907241305 is an apocalyptic number.

It is an amenable number.

52907241305 is a deficient number, since it is larger than the sum of its proper divisors (14327197495).

52907241305 is a wasteful number, since it uses less digits than its factorization.

52907241305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102988.

The product of its (nonzero) digits is 75600, while the sum is 38.

The spelling of 52907241305 in words is "fifty-two billion, nine hundred seven million, two hundred forty-one thousand, three hundred five".

Divisors: 1 5 17 85 6449 32245 96517 109633 482585 548165 1640789 8203945 622438133 3112190665 10581448261 52907241305