Search a number
-
+
11110223020 = 225131910721019
BaseRepresentation
bin10100101100011100…
…01000110010101100
31001200021211210210111
422112032020302230
5140223204114040
65034242345404
7542215223521
oct122616106254
931607753714
1011110223020
114791481aa6
1221a095b264
131080a0a380
147757a3148
154505b2dea
hex296388cac

11110223020 has 96 divisors (see below), whose sum is σ = 26697081600. Its totient is φ = 3849825024.

The previous prime is 11110223011. The next prime is 11110223023. The reversal of 11110223020 is 2032201111.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (11110223023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 518071 + ... + 539089.

It is an arithmetic number, because the mean of its divisors is an integer number (278094600).

Almost surely, 211110223020 is an apocalyptic number.

11110223020 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 11110223020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13348540800).

11110223020 is an abundant number, since it is smaller than the sum of its proper divisors (15586858580).

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

11110223020 is a wasteful number, since it uses less digits than its factorization.

11110223020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21167 (or 21165 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 11110223020 its reverse (2032201111), we get a palindrome (13142424131).

The spelling of 11110223020 in words is "eleven billion, one hundred ten million, two hundred twenty-three thousand, twenty".

Divisors: 1 2 4 5 10 13 19 20 26 38 52 65 76 95 107 130 190 214 247 260 380 428 494 535 988 1070 1235 1391 2033 2140 2470 2782 4066 4940 5564 6955 8132 10165 13910 20330 21019 26429 27820 40660 42038 52858 84076 105095 105716 132145 210190 264290 273247 399361 420380 528580 546494 798722 1092988 1366235 1597444 1996805 2249033 2732470 3993610 4498066 5191693 5464940 7987220 8996132 10383386 11245165 20766772 22490330 25958465 29237429 42731627 44980660 51916930 58474858 85463254 103833860 116949716 146187145 170926508 213658135 292374290 427316270 555511151 584748580 854632540 1111022302 2222044604 2777555755 5555111510 11110223020