Search a number
-
+
30122001301212 = 223237178712654793
BaseRepresentation
bin1101101100101010100110…
…01011111111111011011100
310221122122011001200000010200
412312111103023333323130
512422004324313114322
6144021504550303500
76226146162343062
oct666252313777334
9127578131600120
1030122001301212
11966373a501417
123465a19357b90
1313a6653138002
14761cac40a032
153738207ec8ac
hex1b65532ffedc

30122001301212 has 72 divisors (see below), whose sum is σ = 78243376441776. Its totient is φ = 9763830077184.

The previous prime is 30122001301187. The next prime is 30122001301213. The reversal of 30122001301212 is 21210310022103.

30122001301212 is a `hidden beast` number, since 30 + 122 + 0 + 0 + 1 + 301 + 212 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30122001301213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3947113 + ... + 8707680.

Almost surely, 230122001301212 is an apocalyptic number.

It is an amenable number.

30122001301212 is an abundant number, since it is smaller than the sum of its proper divisors (48121375140564).

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

30122001301212 is a wasteful number, since it uses less digits than its factorization.

30122001301212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12656627 (or 12656622 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 30122001301212 its reverse (21210310022103), we get a palindrome (51332311323315).

The spelling of 30122001301212 in words is "thirty trillion, one hundred twenty-two billion, one million, three hundred one thousand, two hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 36 37 74 111 148 222 333 444 666 1332 1787 3574 5361 7148 10722 16083 21444 32166 64332 66119 132238 198357 264476 396714 595071 793428 1190142 2380284 12654793 25309586 37964379 50619172 75928758 113893137 151857516 227786274 455572548 468227341 936454682 1404682023 1872909364 2809364046 4214046069 5618728092 8428092138 16856184276 22614115091 45228230182 67842345273 90456460364 135684690546 203527035819 271369381092 407054071638 814108143276 836722258367 1673444516734 2510166775101 3346889033468 5020333550202 7530500325303 10040667100404 15061000650606 30122001301212