Search a number
-
+
28744418092 = 2213983562337
BaseRepresentation
bin11010110001010011…
…010000001100101100
32202012020200201210111
4122301103100030230
5432332032334332
621112140345404
72035212344125
oct326123201454
982166621714
1028744418092
1111210524835
1256a2545264
13293120c920
1415697ab04c
15b337ae947
hex6b14d032c

28744418092 has 24 divisors (see below), whose sum is σ = 54227378016. Its totient is φ = 13253134848.

The previous prime is 28744418081. The next prime is 28744418111. The reversal of 28744418092 is 29081444782.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230053 + ... + 332284.

It is an arithmetic number, because the mean of its divisors is an integer number (2259474084).

Almost surely, 228744418092 is an apocalyptic number.

It is an amenable number.

28744418092 is a deficient number, since it is larger than the sum of its proper divisors (25482959924).

28744418092 is a wasteful number, since it uses less digits than its factorization.

28744418092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563337 (or 563335 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 49.

The spelling of 28744418092 in words is "twenty-eight billion, seven hundred forty-four million, four hundred eighteen thousand, ninety-two".

Divisors: 1 2 4 13 26 52 983 1966 3932 12779 25558 51116 562337 1124674 2249348 7310381 14620762 29241524 552777271 1105554542 2211109084 7186104523 14372209046 28744418092