Search a number
-
+
16216404513 = 331379460079
BaseRepresentation
bin11110001101001001…
…01011001000100001
31112212011000200222120
433012210223020201
5231202344421023
611241045454453
71112600110161
oct170644531041
945764020876
1016216404513
116971812801
123186a11429
1316b586523a
14adb9c45a1
1564d9e08e3
hex3c692b221

16216404513 has 16 divisors (see below), whose sum is σ = 22378291200. Its totient is φ = 10434569040.

The previous prime is 16216404509. The next prime is 16216404521. The reversal of 16216404513 is 31540461261.

It is not a de Polignac number, because 16216404513 - 22 = 16216404509 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16216404553) 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, 194793 + ... + 265286.

It is an arithmetic number, because the mean of its divisors is an integer number (1398643200).

Almost surely, 216216404513 is an apocalyptic number.

It is an amenable number.

16216404513 is a deficient number, since it is larger than the sum of its proper divisors (6161886687).

16216404513 is a wasteful number, since it uses less digits than its factorization.

16216404513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460492.

The product of its (nonzero) digits is 17280, while the sum is 33.

Adding to 16216404513 its reverse (31540461261), we get a palindrome (47756865774).

The spelling of 16216404513 in words is "sixteen billion, two hundred sixteen million, four hundred four thousand, five hundred thirteen".

Divisors: 1 3 31 93 379 1137 11749 35247 460079 1380237 14262449 42787347 174369941 523109823 5405468171 16216404513