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2068382217 = 311312021879
BaseRepresentation
bin111101101001001…
…0000001000001001
312100011000200222210
41323102100020021
513214001212332
6541124335333
7102153646566
oct17322201011
95304020883
102068382217
119716031a0
12498844549
1326c69a705
141589b986d
15c18bdecc
hex7b490209

2068382217 has 16 divisors (see below), whose sum is σ = 3105607680. Its totient is φ = 1213126800.

The previous prime is 2068382209. The next prime is 2068382233. The reversal of 2068382217 is 7122838602.

It is not a de Polignac number, because 2068382217 - 23 = 2068382209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2068382207) 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, 1009917 + ... + 1011962.

It is an arithmetic number, because the mean of its divisors is an integer number (194100480).

Almost surely, 22068382217 is an apocalyptic number.

It is an amenable number.

2068382217 is a deficient number, since it is larger than the sum of its proper divisors (1037225463).

2068382217 is a wasteful number, since it uses less digits than its factorization.

2068382217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2021924.

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 2068382217 is about 45479.4702805563. The cubic root of 2068382217 is about 1274.1198009508.

The spelling of 2068382217 in words is "two billion, sixty-eight million, three hundred eighty-two thousand, two hundred seventeen".

Divisors: 1 3 11 31 33 93 341 1023 2021879 6065637 22240669 62678249 66722007 188034747 689460739 2068382217