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30565193924 = 2297293268861
BaseRepresentation
bin11100011101110100…
…111101100011000100
32220220010210201200102
4130131310331203010
51000044142201144
622012542103232
72131301601356
oct343564754304
986803721612
1030565193924
1111a65289651
125b1027ab18
132b614c5285
14169d5310d6
15bdd56db4e
hex71dd3d8c4

30565193924 has 24 divisors (see below), whose sum is σ = 54225163608. Its totient is φ = 15073367040.

The previous prime is 30565193917. The next prime is 30565193941. The reversal of 30565193924 is 42939156503.

It can be written as a sum of positive squares in 4 ways, for example, as 9728271424 + 20836922500 = 98632^2 + 144350^2 .

It is a super-2 number, since 2×305651939242 (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 (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20747 + ... + 248114.

It is an arithmetic number, because the mean of its divisors is an integer number (2259381817).

Almost surely, 230565193924 is an apocalyptic number.

It is an amenable number.

30565193924 is a deficient number, since it is larger than the sum of its proper divisors (23659969684).

30565193924 is a wasteful number, since it uses less digits than its factorization.

30565193924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269255 (or 269253 counting only the distinct ones).

The product of its (nonzero) digits is 874800, while the sum is 47.

The spelling of 30565193924 in words is "thirty billion, five hundred sixty-five million, one hundred ninety-three thousand, nine hundred twenty-four".

Divisors: 1 2 4 97 194 293 388 586 1172 28421 56842 113684 268861 537722 1075444 26079517 52159034 78776273 104318068 157552546 315105092 7641298481 15282596962 30565193924