Search a number
-
+
305445041404313 = 83193102118675487
BaseRepresentation
bin100010101110011001111011…
…1001100001111100110011001
31111001111021001002222111100212
41011130303313030033212121
5310013402421044414223
63001343303114340505
7121223450603655626
oct10534636714174631
91431437032874325
10305445041404313
1189362572a34068
122a31136642a735
1310158461484335
14555d89430b34d
15254a4d6d45278
hex115ccf730f999

305445041404313 has 16 divisors (see below), whose sum is σ = 311031139001856. Its totient is φ = 299907388615680.

The previous prime is 305445041404273. The next prime is 305445041404361. The reversal of 305445041404313 is 313404140544503.

It is a cyclic number.

It is not a de Polignac number, because 305445041404313 - 28 = 305445041404057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (305445041404513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7017656 + ... + 25693142.

It is an arithmetic number, because the mean of its divisors is an integer number (19439446187616).

Almost surely, 2305445041404313 is an apocalyptic number.

It is an amenable number.

305445041404313 is a deficient number, since it is larger than the sum of its proper divisors (5586097597543).

305445041404313 is a wasteful number, since it uses less digits than its factorization.

305445041404313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18676784.

The product of its (nonzero) digits is 691200, while the sum is 41.

Adding to 305445041404313 its reverse (313404140544503), we get a palindrome (618849181948816).

The spelling of 305445041404313 in words is "three hundred five trillion, four hundred forty-five billion, forty-one million, four hundred four thousand, three hundred thirteen".

Divisors: 1 83 193 1021 16019 84743 197053 16355399 18675487 1550065421 3604368991 19067672227 299162626253 1582616794841 3680060739811 305445041404313