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30825581222241 = 3213229249092
BaseRepresentation
bin1110000001001001000111…
…10100011001100101100001
311001010220012202102020022100
413000210203310121211201
513020021242243102431
6145321024310001013
76331034432113131
oct700444364314541
9131126182366270
1030825581222241
119905067a84733
12355a254946169
131427abc174a00
14787d74d54ac1
15386c9dcec4e6
hex1c0923d19961

30825581222241 has 81 divisors (see below), whose sum is σ = 49944438999819. Its totient is φ = 18311733707904.

The previous prime is 30825581222153. The next prime is 30825581222257. The reversal of 30825581222241 is 14222218552803.

The square root of 30825581222241 is 5552079.

It is a perfect power (a square), and thus also a powerful number.

30825581222241 is a `hidden beast` number, since 3 + 0 + 8 + 2 + 5 + 581 + 2 + 2 + 22 + 41 = 666.

It can be written as a sum of positive squares in 13 ways, for example, as 5877594140625 + 24947987081616 = 2424375^2 + 4994796^2 .

It is a de Polignac number, because none of the positive numbers 2k-30825581222241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30825581222341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 6279398895 + ... + 6279403803.

Almost surely, 230825581222241 is an apocalyptic number.

30825581222241 is the 5552079-th square number.

30825581222241 is the 2776040-th centered octagonal number.

It is an amenable number.

30825581222241 is a deficient number, since it is larger than the sum of its proper divisors (19118857777578).

30825581222241 is an frugal number, since it uses more digits than its factorization.

30825581222241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9908 (or 4954 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 45.

The spelling of 30825581222241 in words is "thirty trillion, eight hundred twenty-five billion, five hundred eighty-one million, two hundred twenty-two thousand, two hundred forty-one".

Divisors: 1 3 9 13 29 39 87 117 169 261 377 507 841 1131 1521 2523 3393 4901 4909 7569 10933 14703 14727 32799 44109 44181 63817 98397 142129 142361 191451 426387 427083 574353 829621 1279161 1281249 1850693 2488863 4128469 5552079 7466589 12385407 16656237 24059009 24098281 37156221 53670097 72177027 72294843 161010291 216531081 216884529 313277653 483030873 697711261 698850149 939832959 2093133783 2096550447 2819498877 4072609489 6279401349 6289651341 9085051937 12217828467 20266654321 27255155811 36653485401 60799962963 81765467433 118105675181 182399888889 263466506173 354317025543 790399518519 1062951076629 2371198555557 3425064580249 10275193740747 30825581222241