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8049808045640 = 23510912714537687
BaseRepresentation
bin111010100100011110111…
…1100101111011001001000
31001111112221222000021121102
41311020331330233121020
52023342001324430030
625042010351200532
71460402514264254
oct165107574573110
931445858007542
108049808045640
1126239a4869119
12aa0134516148
1346512a965a0a
141db8816c3264
15de5d9a3ec45
hex7523df2f648

8049808045640 has 64 divisors (see below), whose sum is σ = 18422158233600. Its totient is φ = 3165261297408.

The previous prime is 8049808045621. The next prime is 8049808045663. The reversal of 8049808045640 is 465408089408.

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, 6715124 + ... + 7822563.

It is an arithmetic number, because the mean of its divisors is an integer number (287846222400).

Almost surely, 28049808045640 is an apocalyptic number.

It is an amenable number.

8049808045640 is an abundant number, since it is smaller than the sum of its proper divisors (10372350187960).

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

8049808045640 is a wasteful number, since it uses less digits than its factorization.

8049808045640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14537934 (or 14537930 counting only the distinct ones).

The product of its (nonzero) digits is 8847360, while the sum is 56.

The spelling of 8049808045640 in words is "eight trillion, forty-nine billion, eight hundred eight million, forty-five thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 20 40 109 127 218 254 436 508 545 635 872 1016 1090 1270 2180 2540 4360 5080 13843 27686 55372 69215 110744 138430 276860 553720 14537687 29075374 58150748 72688435 116301496 145376870 290753740 581507480 1584607883 1846286249 3169215766 3692572498 6338431532 7385144996 7923039415 9231431245 12676863064 14770289992 15846078830 18462862490 31692157660 36925724980 63384315320 73851449960 201245201141 402490402282 804980804564 1006226005705 1609961609128 2012452011410 4024904022820 8049808045640