Search a number
-
+
105317503865 = 5714920195111
BaseRepresentation
bin110001000010101101…
…0011001001101111001
3101001211202110112020022
41202011122121031321
53211142240110430
6120214315340225
710415603004140
oct1420532311571
9331752415208
10105317503865
1140734a924a2
12184b2751675
139c15387332
145151370757
152b15eab4e5
hex1885699379

105317503865 has 16 divisors (see below), whose sum is σ = 145404806400. Its totient is φ = 71733030720.

The previous prime is 105317503831. The next prime is 105317503867. The reversal of 105317503865 is 568305713501.

It is not a de Polignac number, because 105317503865 - 26 = 105317503801 is a prime.

It is a super-2 number, since 2×1053175038652 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105317503867) 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, 10092341 + ... + 10102770.

It is an arithmetic number, because the mean of its divisors is an integer number (9087800400).

Almost surely, 2105317503865 is an apocalyptic number.

It is an amenable number.

105317503865 is a deficient number, since it is larger than the sum of its proper divisors (40087302535).

105317503865 is a wasteful number, since it uses less digits than its factorization.

105317503865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20195272.

The product of its (nonzero) digits is 378000, while the sum is 44.

The spelling of 105317503865 in words is "one hundred five billion, three hundred seventeen million, five hundred three thousand, eight hundred sixty-five".

Divisors: 1 5 7 35 149 745 1043 5215 20195111 100975555 141365777 706828885 3009071539 15045357695 21063500773 105317503865