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30211222200 = 23352232189219
BaseRepresentation
bin11100001000101110…
…101010101010111000
32212222110202002202120
4130020232222222320
5443333033102300
621513455201240
72116443103005
oct341056525270
985873662676
1030211222200
11118a34a1435
125a31816220
132b0607b353
14166850c8ac
15bbc44d3a0
hex708baaab8

30211222200 has 96 divisors (see below), whose sum is σ = 97726780800. Its totient is φ = 7706047360.

The previous prime is 30211222199. The next prime is 30211222201. The reversal of 30211222200 is 222211203.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (30211222199) and next prime (30211222201).

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 30211222200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30211222201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1080810 + ... + 1108409.

It is an arithmetic number, because the mean of its divisors is an integer number (1017987300).

Almost surely, 230211222200 is an apocalyptic number.

30211222200 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30211222200 is an abundant number, since it is smaller than the sum of its proper divisors (67515558600).

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

30211222200 is a wasteful number, since it uses less digits than its factorization.

30211222200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2189261 (or 2189252 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 30211222200 its reverse (222211203), we get a palindrome (30433433403).

It can be divided in two parts, 3021 and 1222200, that added together give a palindrome (1225221).

The spelling of 30211222200 in words is "thirty billion, two hundred eleven million, two hundred twenty-two thousand, two hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 23 24 25 30 40 46 50 60 69 75 92 100 115 120 138 150 184 200 230 276 300 345 460 552 575 600 690 920 1150 1380 1725 2300 2760 3450 4600 6900 13800 2189219 4378438 6567657 8756876 10946095 13135314 17513752 21892190 26270628 32838285 43784380 50352037 52541256 54730475 65676570 87568760 100704074 109460950 131353140 151056111 164191425 201408148 218921900 251760185 262706280 302112222 328382850 402816296 437843800 503520370 604224444 656765700 755280555 1007040740 1208448888 1258800925 1313531400 1510561110 2014081480 2517601850 3021122220 3776402775 5035203700 6042244440 7552805550 10070407400 15105611100 30211222200