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6805799740 = 2258925115233
BaseRepresentation
bin1100101011010100…
…00100001100111100
3122120022022110010001
412111222010030330
5102414241042430
63043155524044
7330440225515
oct62552041474
918508273101
106805799740
112982773093
12139b2b9624
13845ccc74c
14487c47a0c
1529c7583ca
hex195a8433c

6805799740 has 48 divisors (see below), whose sum is σ = 14511299040. Its totient is φ = 2680832000.

The previous prime is 6805799729. The next prime is 6805799773. The reversal of 6805799740 is 479975086.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 439164 + ... + 454396.

It is an arithmetic number, because the mean of its divisors is an integer number (302318730).

Almost surely, 26805799740 is an apocalyptic number.

It is an amenable number.

6805799740 is an abundant number, since it is smaller than the sum of its proper divisors (7705499300).

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

6805799740 is a wasteful number, since it uses less digits than its factorization.

6805799740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15582 (or 15580 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 55.

The square root of 6805799740 is about 82497.2711063827. The cubic root of 6805799740 is about 1895.0749398916.

The spelling of 6805799740 in words is "six billion, eight hundred five million, seven hundred ninety-nine thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 89 178 251 356 445 502 890 1004 1255 1780 2510 5020 15233 22339 30466 44678 60932 76165 89356 111695 152330 223390 304660 446780 1355737 2711474 3823483 5422948 6778685 7646966 13557370 15293932 19117415 27114740 38234830 76469660 340289987 680579974 1361159948 1701449935 3402899870 6805799740