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30271839936 = 2631312128141
BaseRepresentation
bin11100001100010101…
…111001111011000000
32220010200210210122220
4130030111321323000
5443444042334221
621523502331040
72121110252052
oct341425717300
986120723586
1030271839936
1111924734438
125a49b89a80
132b157b3530
1416725ab8d2
15bc29240c6
hex70c579ec0

30271839936 has 56 divisors (see below), whose sum is σ = 86255345904. Its totient is φ = 9314411520.

The previous prime is 30271839901. The next prime is 30271839943. The reversal of 30271839936 is 63993817203.

It is a super-2 number, since 2×302718399362 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6061575 + ... + 6066566.

It is an arithmetic number, because the mean of its divisors is an integer number (1540274034).

Almost surely, 230271839936 is an apocalyptic number.

It is an amenable number.

30271839936 is an abundant number, since it is smaller than the sum of its proper divisors (55983505968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30271839936 is a wasteful number, since it uses less digits than its factorization.

30271839936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12128169 (or 12128159 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 51.

The spelling of 30271839936 in words is "thirty billion, two hundred seventy-one million, eight hundred thirty-nine thousand, nine hundred thirty-six".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 64 78 96 104 156 192 208 312 416 624 832 1248 2496 12128141 24256282 36384423 48512564 72768846 97025128 145537692 157665833 194050256 291075384 315331666 388100512 472997499 582150768 630663332 776201024 945994998 1164301536 1261326664 1891989996 2328603072 2522653328 3783979992 5045306656 7567959984 10090613312 15135919968 30271839936