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2068978935 = 35877157277
BaseRepresentation
bin111101101010010…
…0001110011110111
312100012011000112110
41323110201303313
513214124311220
6541145222103
7102162013362
oct17324416367
95305130473
102068978935
11971980551
12498a91933
1326c8491ba
14158ad30d9
15c198abe0
hex7b521cf7

2068978935 has 16 divisors (see below), whose sum is σ = 3314162016. Its totient is φ = 1102190208.

The previous prime is 2068978903. The next prime is 2068978937. The reversal of 2068978935 is 5398798602.

It is not a de Polignac number, because 2068978935 - 25 = 2068978903 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2068978937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65484 + ... + 91793.

It is an arithmetic number, because the mean of its divisors is an integer number (207135126).

Almost surely, 22068978935 is an apocalyptic number.

2068978935 is a deficient number, since it is larger than the sum of its proper divisors (1245183081).

2068978935 is a wasteful number, since it uses less digits than its factorization.

2068978935 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158162.

The product of its (nonzero) digits is 6531840, while the sum is 57.

The square root of 2068978935 is about 45486.0301081552. The cubic root of 2068978935 is about 1274.2423149155.

The spelling of 2068978935 in words is "two billion, sixty-eight million, nine hundred seventy-eight thousand, nine hundred thirty-five".

Divisors: 1 3 5 15 877 2631 4385 13155 157277 471831 786385 2359155 137931929 413795787 689659645 2068978935