Search a number
-
+
16432230413 = 173179773121
BaseRepresentation
bin11110100110110111…
…11111000000001101
31120102012010210110102
433103123333000031
5232123122333123
611314315420445
71121130440204
oct172333770015
946365123412
1016432230413
116a72624a15
123227154725
13171b4a0a81
14b1c52623b
15662924028
hex3d36ff00d

16432230413 has 16 divisors (see below), whose sum is σ = 17477180784. Its totient is φ = 15396126720.

The previous prime is 16432230391. The next prime is 16432230433. The reversal of 16432230413 is 31403223461.

It can be written as a sum of positive squares in 8 ways, for example, as 937706884 + 15494523529 = 30622^2 + 124477^2 .

It is a cyclic number.

It is not a de Polignac number, because 16432230413 - 26 = 16432230349 is a prime.

It is a super-3 number, since 3×164322304133 (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16432230433) 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, 5263493 + ... + 5266613.

It is an arithmetic number, because the mean of its divisors is an integer number (1092323799).

Almost surely, 216432230413 is an apocalyptic number.

It is an amenable number.

16432230413 is a deficient number, since it is larger than the sum of its proper divisors (1044950371).

16432230413 is a wasteful number, since it uses less digits than its factorization.

16432230413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4432.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 16432230413 its reverse (31403223461), we get a palindrome (47835453874).

The spelling of 16432230413 in words is "sixteen billion, four hundred thirty-two million, two hundred thirty thousand, four hundred thirteen".

Divisors: 1 17 317 977 3121 5389 16609 53057 309709 989357 3049217 5265053 16819069 51836689 966601789 16432230413