Search a number
-
+
5105385905 = 51399477757
BaseRepresentation
bin1001100000100111…
…00000000110110001
3111011210200110211212
410300103200012301
540423434322110
62202334045505
7240342031004
oct46023400661
914153613755
105105385905
11218a947aa4
12ba5949895
13634939a09
1436609553b
151ed321e05
hex1304e01b1

5105385905 has 16 divisors (see below), whose sum is σ = 6177850560. Its totient is φ = 4050121152.

The previous prime is 5105385851. The next prime is 5105385913. The reversal of 5105385905 is 5095835015.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5105385905 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 654287 + ... + 662043.

It is an arithmetic number, because the mean of its divisors is an integer number (386115660).

Almost surely, 25105385905 is an apocalyptic number.

It is an amenable number.

5105385905 is a deficient number, since it is larger than the sum of its proper divisors (1072464655).

5105385905 is a wasteful number, since it uses less digits than its factorization.

5105385905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8848.

The product of its (nonzero) digits is 135000, while the sum is 41.

The square root of 5105385905 is about 71451.9832125043. The cubic root of 5105385905 is about 1721.9063396832.

The spelling of 5105385905 in words is "five billion, one hundred five million, three hundred eighty-five thousand, nine hundred five".

Divisors: 1 5 139 695 947 4735 7757 38785 131633 658165 1078223 5391115 7345879 36729395 1021077181 5105385905