Base | Representation |
---|---|
bin | 10111100001111000100… |
… | …01100111000000111000 |
3 | 2212021210022201102022120 |
4 | 23300330101213000320 |
5 | 101221214031211411 |
6 | 1415223112521240 |
7 | 112260342654240 |
oct | 13607421470070 |
9 | 2767708642276 |
10 | 808465100856 |
11 | 291960522316 |
12 | 1108293b0220 |
13 | 5b3129759aa |
14 | 2b1b66dcb20 |
15 | 1606b560106 |
hex | bc3c467038 |
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".
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