Search a number
-
+
808465100856 = 233712329390323
BaseRepresentation
bin10111100001111000100…
…01100111000000111000
32212021210022201102022120
423300330101213000320
5101221214031211411
61415223112521240
7112260342654240
oct13607421470070
92767708642276
10808465100856
11291960522316
121108293b0220
135b3129759aa
142b1b66dcb20
151606b560106
hexbc3c467038

808465100856 has 64 divisors (see below), whose sum is σ = 2310093561600. Its totient is φ = 230970701568.

The previous prime is 808465100851. The next prime is 808465100867. The reversal of 808465100856 is 658001564808.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 808465100799 and 808465100808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (808465100851) 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, 1876111 + ... + 2266433.

It is an arithmetic number, because the mean of its divisors is an integer number (36095211900).

Almost surely, 2808465100856 is an apocalyptic number.

It is an amenable number.

808465100856 is an abundant number, since it is smaller than the sum of its proper divisors (1501628460744).

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

808465100856 is a wasteful number, since it uses less digits than its factorization.

808465100856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402668 (or 402664 counting only the distinct ones).

The product of its (nonzero) digits is 1843200, while the sum is 51.

The spelling of 808465100856 in words is "eight hundred eight billion, four hundred sixty-five million, one hundred thousand, eight hundred fifty-six".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 12329 24658 36987 49316 73974 86303 98632 147948 172606 258909 295896 345212 390323 517818 690424 780646 1035636 1170969 1561292 2071272 2341938 2732261 3122584 4683876 5464522 8196783 9367752 10929044 16393566 21858088 32787132 65574264 4812292267 9624584534 14436876801 19249169068 28873753602 33686045869 38498338136 57747507204 67372091738 101058137607 115495014408 134744183476 202116275214 269488366952 404232550428 808465100856