Search a number
-
+
305378867828684 = 2213172329643805471
BaseRepresentation
bin100010101101111011000111…
…0111100000101011111001100
31111001020221020100201112221102
41011123312032330011133030
5310011311410131004214
63001253040513122232
7121215616011602306
oct10533661674053714
91431227210645842
10305378867828684
11893374a5751291
122a300578b59378
13101521469c6720
14555a5b7984976
15254891261ebde
hex115bd8ef057cc

305378867828684 has 192 divisors, whose sum is σ = 658820937277440. Its totient is φ = 122319679426560.

The previous prime is 305378867828659. The next prime is 305378867828729. The reversal of 305378867828684 is 486828768873503.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 378728069 + ... + 379533539.

It is an arithmetic number, because the mean of its divisors is an integer number (3431359048320).

Almost surely, 2305378867828684 is an apocalyptic number.

305378867828684 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

305378867828684 is an abundant number, since it is smaller than the sum of its proper divisors (353442069448756).

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

305378867828684 is a wasteful number, since it uses less digits than its factorization.

305378867828684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806200 (or 806198 counting only the distinct ones).

The product of its (nonzero) digits is 20808990720, while the sum is 83.

The spelling of 305378867828684 in words is "three hundred five trillion, three hundred seventy-eight billion, eight hundred sixty-seven million, eight hundred twenty-eight thousand, six hundred eighty-four".