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30012312210212 = 2246997159650149
BaseRepresentation
bin1101101001011110010010…
…01101010100101100100100
310221021011000122021211201202
412310233021031110230210
512413210203411211322
6143455244344342032
76215214034425623
oct664571115245444
9127234018254652
1030012312210212
1196211719068a2
123448706774918
1313991c2188437
1475a8646396ba
15370a50b6b292
hex1b4bc9354b24

30012312210212 has 12 divisors (see below), whose sum is σ = 52522664247900. Its totient is φ = 15005836710816.

The previous prime is 30012312210193. The next prime is 30012312210239. The reversal of 30012312210212 is 21201221321003.

It can be written as a sum of positive squares in 2 ways, for example, as 13235800714816 + 16776511495396 = 3638104^2 + 4095914^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79637087 + ... + 80013062.

It is an arithmetic number, because the mean of its divisors is an integer number (4376888687325).

Almost surely, 230012312210212 is an apocalyptic number.

It is an amenable number.

30012312210212 is a deficient number, since it is larger than the sum of its proper divisors (22510352037688).

30012312210212 is a wasteful number, since it uses less digits than its factorization.

30012312210212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159697150 (or 159697148 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 30012312210212 its reverse (21201221321003), we get a palindrome (51213533531215).

The spelling of 30012312210212 in words is "thirty trillion, twelve billion, three hundred twelve million, two hundred ten thousand, two hundred twelve".

Divisors: 1 2 4 46997 93994 187988 159650149 319300298 638600596 7503078052553 15006156105106 30012312210212