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30770648618068 = 22175211201723181
BaseRepresentation
bin1101111111100010110011…
…00101001001010001010100
311000221122102102000210211001
412333301121211021101110
513013121242021234233
6145235501341353044
76324051233512162
oct677613145112124
9130848372023731
1030770648618068
119893838a57107
12354b683b68784
1314228765127b8
147854434a8232
153856363b527d
hex1bfc59949454

30770648618068 has 48 divisors (see below), whose sum is σ = 57173282057808. Its totient is φ = 14440458240000.

The previous prime is 30770648618041. The next prime is 30770648618077. The reversal of 30770648618068 is 86081684607703.

It can be written as a sum of positive squares in 8 ways, for example, as 1905581463184 + 28865067154884 = 1380428^2 + 5372622^2 .

It is a super-2 number, since 2×307706486180682 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42187438 + ... + 42910618.

It is an arithmetic number, because the mean of its divisors is an integer number (1191110042871).

Almost surely, 230770648618068 is an apocalyptic number.

It is an amenable number.

30770648618068 is a deficient number, since it is larger than the sum of its proper divisors (26402633439740).

30770648618068 is a wasteful number, since it uses less digits than its factorization.

30770648618068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724924 (or 724922 counting only the distinct ones).

The product of its (nonzero) digits is 65028096, while the sum is 64.

The spelling of 30770648618068 in words is "thirty trillion, seven hundred seventy billion, six hundred forty-eight million, six hundred eighteen thousand, sixty-eight".

Divisors: 1 2 4 17 34 68 521 1042 1201 2084 2402 4804 8857 17714 20417 35428 40834 81668 625721 723181 1251442 1446362 2502884 2892724 10637257 12294077 21274514 24588154 42549028 49176308 376777301 753554602 868540381 1507109204 1737080762 3474161524 6405214117 12810428234 14765186477 25620856468 29530372954 59060745908 452509538501 905019077002 1810038154004 7692662154517 15385324309034 30770648618068