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30501630220205 = 51753103407316139
BaseRepresentation
bin1101110111101101101101…
…10101011001011110101101
310222222221001001110020102202
412323312312311121132231
512444214314314021310
6144512131103431245
76265445555042264
oct673666665313655
9128887031406382
1030501630220205
11979a73a0a1081
1235075062b5525
1314033a3244061
14776402ccd5db
1537d63daca3a5
hex1bbdb6d597ad

30501630220205 has 64 divisors (see below), whose sum is σ = 39881860462080. Its totient is φ = 22306989858816.

The previous prime is 30501630220189. The next prime is 30501630220211. The reversal of 30501630220205 is 50202203610503.

It is not a de Polignac number, because 30501630220205 - 24 = 30501630220189 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1889925026 + ... + 1889941164.

It is an arithmetic number, because the mean of its divisors is an integer number (623154069720).

Almost surely, 230501630220205 is an apocalyptic number.

It is an amenable number.

30501630220205 is a deficient number, since it is larger than the sum of its proper divisors (9380230241875).

30501630220205 is a wasteful number, since it uses less digits than its factorization.

30501630220205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20390.

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 30501630220205 its reverse (50202203610503), we get a palindrome (80703833830708).

The spelling of 30501630220205 in words is "thirty trillion, five hundred one billion, six hundred thirty million, two hundred twenty thousand, two hundred five".

Divisors: 1 5 17 53 85 103 265 515 901 1751 4073 4505 5459 8755 16139 20365 27295 69241 80695 92803 215869 274363 346205 419519 464015 855367 1079345 1371815 1662317 2097595 3669773 4276835 7131823 8311585 14541239 18348865 22234507 28259389 35659115 65734147 72706195 88102801 111172535 141296945 328670735 377986619 440514005 1117480499 1497747617 1889933095 3483909791 5587402495 6770617141 7488738085 17419548955 33853085705 59226466447 115100491397 296132332235 358842708473 575502456985 1794213542365 6100326044041 30501630220205