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807867512961 = 32393323339071
BaseRepresentation
bin10111100000110001010…
…01111111100010000001
32212020020200020210211120
423300120221333202001
5101214003040403321
61415043524302453
7112236465362415
oct13603051774201
92766220223746
10807867512961
11291684171723
121106a1241a29
135b248c12ca2
142b15b1c2d45
1516033d6bec6
hexbc18a7f881

807867512961 has 16 divisors (see below), whose sum is σ = 1081992314880. Its totient is φ = 536161897040.

The previous prime is 807867512941. The next prime is 807867513001. The reversal of 807867512961 is 169215768708.

It is a cyclic number.

It is not a de Polignac number, because 807867512961 - 222 = 807863318657 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 807867512895 and 807867512904.

It is not an unprimeable number, because it can be changed into a prime (807867512941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2213056 + ... + 2552126.

It is an arithmetic number, because the mean of its divisors is an integer number (67624519680).

Almost surely, 2807867512961 is an apocalyptic number.

It is an amenable number.

807867512961 is a deficient number, since it is larger than the sum of its proper divisors (274124801919).

807867512961 is a wasteful number, since it uses less digits than its factorization.

807867512961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342636.

The product of its (nonzero) digits is 10160640, while the sum is 60.

The spelling of 807867512961 in words is "eight hundred seven billion, eight hundred sixty-seven million, five hundred twelve thousand, nine hundred sixty-one".

Divisors: 1 3 239 717 3323 9969 339071 794197 1017213 2382591 81037969 243113907 1126732933 3380198799 269289170987 807867512961