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2105801346 = 231143972679
BaseRepresentation
bin111110110000011…
…1111101010000010
312102202102210101110
41331200333222002
513303041120341
6544542344150
7103120005345
oct17540775202
95382383343
102105801346
119907407a0
124a928b056
1327736c5cc
1415d95a45c
15c4d11216
hex7d83fa82

2105801346 has 32 divisors (see below), whose sum is σ = 4605004800. Its totient is φ = 636659280.

The previous prime is 2105801333. The next prime is 2105801371. The reversal of 2105801346 is 6431085012.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7366 + ... + 65313.

It is an arithmetic number, because the mean of its divisors is an integer number (143906400).

Almost surely, 22105801346 is an apocalyptic number.

2105801346 is an abundant number, since it is smaller than the sum of its proper divisors (2499203454).

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

2105801346 is a wasteful number, since it uses less digits than its factorization.

2105801346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73134.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 2105801346 is about 45889.0111682525. The cubic root of 2105801346 is about 1281.7573002631.

Adding to 2105801346 its reverse (6431085012), we get a palindrome (8536886358).

The spelling of 2105801346 in words is "two billion, one hundred five million, eight hundred one thousand, three hundred forty-six".

Divisors: 1 2 3 6 11 22 33 66 439 878 1317 2634 4829 9658 14487 28974 72679 145358 218037 436074 799469 1598938 2398407 4796814 31906081 63812162 95718243 191436486 350966891 701933782 1052900673 2105801346