Search a number
-
+
16992019810 = 2523109677783
BaseRepresentation
bin11111101001100110…
…11010010101100010
31121212012111001011001
433310303122111202
5234244424113220
611450033542214
71141035533233
oct176463322542
947765431131
1016992019810
11722a608a87
12336271496a
1317aa45acbc
14b72a0308a
15696b4c80a
hex3f4cda562

16992019810 has 32 divisors (see below), whose sum is σ = 32208295680. Its totient is φ = 6441640128.

The previous prime is 16992019783. The next prime is 16992019817. The reversal of 16992019810 is 1891029961.

It is a super-2 number, since 2×169920198102 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is not an unprimeable number, because it can be changed into a prime (16992019817) 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, 313822 + ... + 363961.

It is an arithmetic number, because the mean of its divisors is an integer number (1006509240).

Almost surely, 216992019810 is an apocalyptic number.

16992019810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16992019810 is a deficient number, since it is larger than the sum of its proper divisors (15216275870).

16992019810 is a wasteful number, since it uses less digits than its factorization.

16992019810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677922.

The product of its (nonzero) digits is 69984, while the sum is 46.

The spelling of 16992019810 in words is "sixteen billion, nine hundred ninety-two million, nineteen thousand, eight hundred ten".

Divisors: 1 2 5 10 23 46 109 115 218 230 545 1090 2507 5014 12535 25070 677783 1355566 3388915 6777830 15589009 31178018 73878347 77945045 147756694 155890090 369391735 738783470 1699201981 3398403962 8496009905 16992019810