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30582664641 = 381721272
BaseRepresentation
bin11100011110110111…
…100110110111000001
32220221100200100000000
4130132313212313001
51000113130232031
622014404350213
72131603234404
oct343667466701
986840610000
1030582664641
1111a74131661
125b160a5369
132b65001389
1416a199bd3b
15bded703e6
hex71ede6dc1

30582664641 has 81 divisors (see below), whose sum is σ = 49115437059. Its totient is φ = 19038027456.

The previous prime is 30582664601. The next prime is 30582664649. The reversal of 30582664641 is 14646628503.

The square root of 30582664641 is 174879.

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

30582664641 is a `hidden beast` number, since 3 + 0 + 582 + 6 + 6 + 4 + 64 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 23810033025 + 6772631616 = 154305^2 + 82296^2 .

It is a tau number, because it is divible by the number of its divisors (81).

It is not a de Polignac number, because 30582664641 - 29 = 30582664129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30582664649) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 240808320 + ... + 240808446.

Almost surely, 230582664641 is an apocalyptic number.

30582664641 is the 174879-th square number.

30582664641 is the 87440-th centered octagonal number.

It is an amenable number.

30582664641 is a deficient number, since it is larger than the sum of its proper divisors (18532772418).

30582664641 is an frugal number, since it uses more digits than its factorization.

30582664641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312 (or 147 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 45.

The spelling of 30582664641 in words is "thirty billion, five hundred eighty-two million, six hundred sixty-four thousand, six hundred forty-one".

Divisors: 1 3 9 17 27 51 81 127 153 243 289 381 459 729 867 1143 1377 2159 2187 2601 3429 4131 6477 6561 7803 10287 12393 16129 19431 23409 30861 36703 37179 48387 58293 70227 92583 110109 111537 145161 174879 210681 274193 277749 330327 435483 524637 632043 822579 833247 990981 1306449 1573911 1896129 2467737 2972943 3919347 4661281 4721733 7403211 8918829 11758041 13983843 14165199 22209633 26756487 35274123 41951529 66628899 80269461 105822369 125854587 199886697 240808383 377563761 599660091 1132691283 1798980273 3398073849 10194221547 30582664641