Search a number
-
+
222030312012200 = 23525115721700873
BaseRepresentation
bin110010011110111101110101…
…111000000111100110101000
31002010010220001012100011211202
4302132331311320013212220
5213100221034333342300
62104115152304143332
764524106053603056
oct6236756570074650
91063126035304752
10222030312012200
11648225878a361a
1220a9ab66307b48
1396b74a3a14573
143cb84783991d6
151aa07b810ead5
hexc9ef75e079a8

222030312012200 has 48 divisors (see below), whose sum is σ = 516230590122780. Its totient is φ = 88810384642560.

The previous prime is 222030312012169. The next prime is 222030312012209. The reversal of 222030312012200 is 2210213030222.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 192471061079236 + 29559250932964 = 13873394^2 + 5436842^2 .

It is a super-2 number, since 2×2220303120122002 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (222030312012209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 619037 + ... + 21081836.

Almost surely, 2222030312012200 is an apocalyptic number.

222030312012200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222030312012200 is an abundant number, since it is smaller than the sum of its proper divisors (294200278110580).

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

222030312012200 is a wasteful number, since it uses less digits than its factorization.

222030312012200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21752046 (or 21752037 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 222030312012200 its reverse (2210213030222), we get a palindrome (224240525042422).

The spelling of 222030312012200 in words is "two hundred twenty-two trillion, thirty billion, three hundred twelve million, twelve thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 51157 102314 204628 255785 409256 511570 1023140 1278925 2046280 2557850 5115700 10231400 21700873 43401746 86803492 108504365 173606984 217008730 434017460 542521825 868034920 1085043650 2170087300 4340174600 1110151560061 2220303120122 4440606240244 5550757800305 8881212480488 11101515600610 22203031201220 27753789001525 44406062402440 55507578003050 111015156006100 222030312012200