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806801340740 = 2251917911861237
BaseRepresentation
bin10111011110110010001…
…10110111100101000100
32212010111101001122111112
423233121012313211010
5101204312120400430
61414350040424152
7112201201146533
oct13573106674504
92763441048445
10806801340740
1129118736175a
12110444178058
135b109077655
142b09976c31a
1515ec0469195
hexbbd91b7944

806801340740 has 48 divisors (see below), whose sum is σ = 1793419185600. Its totient is φ = 304027201152.

The previous prime is 806801340727. The next prime is 806801340743. The reversal of 806801340740 is 47043108608.

It is not an unprimeable number, because it can be changed into a prime (806801340743) 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, 5862599 + ... + 5998638.

It is an arithmetic number, because the mean of its divisors is an integer number (37362899700).

Almost surely, 2806801340740 is an apocalyptic number.

It is an amenable number.

806801340740 is an abundant number, since it is smaller than the sum of its proper divisors (986617844860).

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

806801340740 is a wasteful number, since it uses less digits than its factorization.

806801340740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11861444 (or 11861442 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 41.

The spelling of 806801340740 in words is "eight hundred six billion, eight hundred one million, three hundred forty thousand, seven hundred forty".

Divisors: 1 2 4 5 10 19 20 38 76 95 179 190 358 380 716 895 1790 3401 3580 6802 13604 17005 34010 68020 11861237 23722474 47444948 59306185 118612370 225363503 237224740 450727006 901454012 1126817515 2123161423 2253635030 4246322846 4507270060 8492645692 10615807115 21231614230 40340067037 42463228460 80680134074 161360268148 201700335185 403400670370 806801340740