Search a number
-
+
111112020200 = 23522326579091
BaseRepresentation
bin110011101111011001…
…0101110000011101000
3101121210120212110022102
41213132302232003220
53310024134121300
6123013312112532
711012313405566
oct1473662560350
9347716773272
10111112020200
1143138925375
121964b235748
13a6299c8b1c
145540b70a36
152d54a550d5
hex19decae0e8

111112020200 has 96 divisors (see below), whose sum is σ = 269698541760. Its totient is φ = 42491750400.

The previous prime is 111112020199. The next prime is 111112020203. The reversal of 111112020200 is 2020211111.

It is not an unprimeable number, because it can be changed into a prime (111112020203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12217655 + ... + 12226745.

It is an arithmetic number, because the mean of its divisors is an integer number (2809359810).

Almost surely, 2111112020200 is an apocalyptic number.

111112020200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111112020200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134849270880).

111112020200 is an abundant number, since it is smaller than the sum of its proper divisors (158586521560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111112020200 is a wasteful number, since it uses less digits than its factorization.

111112020200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11787 (or 11778 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 111112020200 its reverse (2020211111), we get a palindrome (113132231311).

The spelling of 111112020200 in words is "one hundred eleven billion, one hundred twelve million, twenty thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 23 25 40 46 50 92 100 115 184 200 230 460 575 920 1150 2300 2657 4600 5314 9091 10628 13285 18182 21256 26570 36364 45455 53140 61111 66425 72728 90910 106280 122222 132850 181820 209093 227275 244444 265700 305555 363640 418186 454550 488888 531400 611110 836372 909100 1045465 1222220 1527775 1672744 1818200 2090930 2444440 3055550 4181860 5227325 6111100 8363720 10454650 12222200 20909300 24154787 41818600 48309574 96619148 120773935 193238296 241547870 483095740 555560101 603869675 966191480 1111120202 1207739350 2222240404 2415478700 2777800505 4444480808 4830957400 5555601010 11111202020 13889002525 22222404040 27778005050 55556010100 111112020200