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30000221011312 = 244493417318899
BaseRepresentation
bin1101101001000111110001…
…00001000011110101110000
310221012222210222120022000021
412310203320201003311300
512413010423034330222
6143445524500133224
76214305305064106
oct664437041036560
9127188728508007
1030000221011312
119617027725132
1234462b1397214
131398016172086
1475a03887bc76
153705943d3ac7
hex1b48f8843d70

30000221011312 has 20 divisors (see below), whose sum is σ = 58138365234600. Its totient is φ = 14996771918528.

The previous prime is 30000221011303. The next prime is 30000221011339. The reversal of 30000221011312 is 21311012200003.

It is a super-2 number, since 2×300002210113122 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

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, 208587562 + ... + 208731337.

It is an arithmetic number, because the mean of its divisors is an integer number (2906918261730).

Almost surely, 230000221011312 is an apocalyptic number.

It is an amenable number.

30000221011312 is a deficient number, since it is larger than the sum of its proper divisors (28138144223288).

30000221011312 is a wasteful number, since it uses less digits than its factorization.

30000221011312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417323400 (or 417323394 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 30000221011312 its reverse (21311012200003), we get a palindrome (51311233211315).

The spelling of 30000221011312 in words is "thirty trillion, two hundred twenty-one million, eleven thousand, three hundred twelve".

Divisors: 1 2 4 8 16 4493 8986 17972 35944 71888 417318899 834637798 1669275596 3338551192 6677102384 1875013813207 3750027626414 7500055252828 15000110505656 30000221011312