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30295845688 = 2361187133181
BaseRepresentation
bin11100001101110001…
…011110101100111000
32220012100222102100211
4130031301132230320
5444021214030223
621530121040504
72121521303503
oct341561365470
986170872324
1030295845688
11119372402a9
125a56026134
132b1a76a014
14167585a13a
15bc4ab6d0d
hex70dc5eb38

30295845688 has 32 divisors (see below), whose sum is σ = 57768534720. Its totient is φ = 14891184000.

The previous prime is 30295845659. The next prime is 30295845689. The reversal of 30295845688 is 88654859203.

It is a super-2 number, since 2×302958456882 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30295845689) 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 7 ways as a sum of consecutive naturals, for example, 896458 + ... + 929638.

It is an arithmetic number, because the mean of its divisors is an integer number (1805266710).

Almost surely, 230295845688 is an apocalyptic number.

It is an amenable number.

30295845688 is a deficient number, since it is larger than the sum of its proper divisors (27472689032).

30295845688 is a wasteful number, since it uses less digits than its factorization.

30295845688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35119 (or 35115 counting only the distinct ones).

The product of its (nonzero) digits is 16588800, while the sum is 58.

The spelling of 30295845688 in words is "thirty billion, two hundred ninety-five million, eight hundred forty-five thousand, six hundred eighty-eight".

Divisors: 1 2 4 8 61 122 244 488 1871 3742 7484 14968 33181 66362 114131 132724 228262 265448 456524 913048 2024041 4048082 8096164 16192328 62081651 124163302 248326604 496653208 3786980711 7573961422 15147922844 30295845688