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305468142815 = 51129552734651
BaseRepresentation
bin1000111000111110101…
…00011111010011011111
31002012110121012110112002
410130133110133103133
520001044321032230
6352155150232515
731032533241563
oct4343724372337
91065417173462
10305468142815
111086038919a0
124b2507b573b
1322a6196a184
1410adb4656a3
157e2c789545
hex471f51f4df

305468142815 has 32 divisors (see below), whose sum is σ = 413761512960. Its totient is φ = 214453008000.

The previous prime is 305468142799. The next prime is 305468142817. The reversal of 305468142815 is 518241864503.

It is not a de Polignac number, because 305468142815 - 24 = 305468142799 is a prime.

It is a super-2 number, since 2×3054681428152 (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 305468142815.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305468142817) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8798240 + ... + 8832890.

It is an arithmetic number, because the mean of its divisors is an integer number (12930047280).

Almost surely, 2305468142815 is an apocalyptic number.

305468142815 is a deficient number, since it is larger than the sum of its proper divisors (108293370145).

305468142815 is a wasteful number, since it uses less digits than its factorization.

305468142815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40223.

The product of its (nonzero) digits is 921600, while the sum is 47.

The spelling of 305468142815 in words is "three hundred five billion, four hundred sixty-eight million, one hundred forty-two thousand, eight hundred fifteen".

Divisors: 1 5 11 29 55 145 319 1595 5527 27635 34651 60797 160283 173255 303985 381161 801415 1004879 1763113 1905805 5024395 8815565 11053669 55268345 191516077 957580385 2106676847 5553966233 10533384235 27769831165 61093628563 305468142815