Search a number
-
+
112012212020 = 22519678949433
BaseRepresentation
bin110100001010001110…
…0101011011100110100
3101201010022201221100012
41220110130223130310
53313400111241040
6123242510235352
711043524043542
oct1502434533464
9351108657305
10112012212020
114355aa78855
12198607b5b58
13a74135b8c7
1455c853ad92
152da8abd865
hex1a1472b734

112012212020 has 96 divisors (see below), whose sum is σ = 254130307200. Its totient is φ = 41342552064.

The previous prime is 112012212017. The next prime is 112012212041. The reversal of 112012212020 is 20212210211.

It is a super-2 number, since 2×1120122120202 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 112012211986 and 112012212004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2241224 + ... + 2290656.

It is an arithmetic number, because the mean of its divisors is an integer number (2647190700).

Almost surely, 2112012212020 is an apocalyptic number.

112012212020 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 112012212020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127065153600).

112012212020 is an abundant number, since it is smaller than the sum of its proper divisors (142118095180).

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

112012212020 is a wasteful number, since it uses less digits than its factorization.

112012212020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49617 (or 49615 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 112012212020 its reverse (20212210211), we get a palindrome (132224422231).

The spelling of 112012212020 in words is "one hundred twelve billion, twelve million, two hundred twelve thousand, twenty".

Divisors: 1 2 4 5 10 19 20 38 67 76 89 95 134 178 190 268 335 356 380 445 670 890 1273 1340 1691 1780 2546 3382 5092 5963 6365 6764 8455 11926 12730 16910 23852 25460 29815 33820 49433 59630 98866 113297 119260 197732 226594 247165 453188 494330 566485 939227 988660 1132970 1878454 2265940 3312011 3756908 4399537 4696135 6624022 8799074 9392270 13248044 16560055 17598148 18784540 21997685 33120110 43995370 62928209 66240220 83591203 87990740 125856418 167182406 251712836 294768979 314641045 334364812 417956015 589537958 629282090 835912030 1179075916 1258564180 1473844895 1671824060 2947689790 5600610601 5895379580 11201221202 22402442404 28003053005 56006106010 112012212020