Search a number
-
+
112210031220 = 22357267166741
BaseRepresentation
bin110100010000000111…
…1010011001001110100
3101201122002222012021020
41220200033103021310
53314301231444340
6123314254221140
711051445346110
oct1504017231164
9351562865236
10112210031220
11436517012a1
12198b6ab47b0
13a7733313a1
145606912740
152dbb1469d0
hex1a203d3274

112210031220 has 48 divisors (see below), whose sum is σ = 359072101248. Its totient is φ = 25648007040.

The previous prime is 112210031183. The next prime is 112210031233. The reversal of 112210031220 is 22130012211.

It is a super-2 number, since 2×1122100312202 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 112210031220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133582951 + ... + 133583790.

It is an arithmetic number, because the mean of its divisors is an integer number (7480668776).

Almost surely, 2112210031220 is an apocalyptic number.

112210031220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112210031220 is an abundant number, since it is smaller than the sum of its proper divisors (246862070028).

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

112210031220 is a wasteful number, since it uses less digits than its factorization.

112210031220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267166760 (or 267166758 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 112210031220 its reverse (22130012211), we get a palindrome (134340043431).

The spelling of 112210031220 in words is "one hundred twelve billion, two hundred ten million, thirty-one thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 267166741 534333482 801500223 1068666964 1335833705 1603000446 1870167187 2671667410 3206000892 3740334374 4007501115 5343334820 5610501561 7480668748 8015002230 9350835935 11221003122 16030004460 18701671870 22442006244 28052507805 37403343740 56105015610 112210031220