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2028302399 = 611371631489
BaseRepresentation
bin111100011100101…
…0111000000111111
312020100121102211002
41320321113000333
513123221134044
6533133320515
7101156200034
oct17071270077
95210542732
102028302399
11950a18682
1248733613b
132642a6746
1415354538b
15bd10374e
hex78e5703f

2028302399 has 16 divisors (see below), whose sum is σ = 2090744160. Its totient is φ = 1967016960.

The previous prime is 2028302359. The next prime is 2028302401. The reversal of 2028302399 is 9932038202.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2028302399 is a prime.

It is a super-3 number, since 3×20283023993 (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2028302359) 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, 1361447 + ... + 1362935.

It is an arithmetic number, because the mean of its divisors is an integer number (130671510).

Almost surely, 22028302399 is an apocalyptic number.

2028302399 is a deficient number, since it is larger than the sum of its proper divisors (62441761).

2028302399 is a wasteful number, since it uses less digits than its factorization.

2028302399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1850.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 2028302399 is about 45036.6783744095. The cubic root of 2028302399 is about 1265.8363654663.

The spelling of 2028302399 in words is "two billion, twenty-eight million, three hundred two thousand, three hundred ninety-nine".

Divisors: 1 61 137 163 1489 8357 9943 22331 90829 203993 242707 1362191 12443573 14805127 33250859 2028302399