Search a number
-
+
131605422395 = 51713111819077
BaseRepresentation
bin111101010010001001…
…0110110000100111011
3110120200210211011010112
41322210102312010323
54124011442004040
6140243024534535
712336206430056
oct1724422660473
9416623734115
10131605422395
11508a49147a7
122160a48144b
13c544688705
1465267b1a9d
153653c84365
hex1ea44b613b

131605422395 has 16 divisors (see below), whose sum is σ = 168492775968. Its totient is φ = 98334712320.

The previous prime is 131605422367. The next prime is 131605422397. The reversal of 131605422395 is 593224506131.

It is not a de Polignac number, because 131605422395 - 28 = 131605422139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131605422397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5898404 + ... + 5920673.

It is an arithmetic number, because the mean of its divisors is an integer number (10530798498).

Almost surely, 2131605422395 is an apocalyptic number.

131605422395 is a deficient number, since it is larger than the sum of its proper divisors (36887353573).

131605422395 is a wasteful number, since it uses less digits than its factorization.

131605422395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11819230.

The product of its (nonzero) digits is 194400, while the sum is 41.

The spelling of 131605422395 in words is "one hundred thirty-one billion, six hundred five million, four hundred twenty-two thousand, three hundred ninety-five".

Divisors: 1 5 17 85 131 655 2227 11135 11819077 59095385 200924309 1004621545 1548299087 7741495435 26321084479 131605422395