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805208484812 = 223142291535497
BaseRepresentation
bin10111011011110100010…
…10100110101111001100
32211222101100211011221112
423231322022212233030
5101143031333003222
61413524020151152
7112113550122644
oct13557212465714
92758340734845
10805208484812
1129053a21a4a6
1211007a8384b8
135ac14073554
142ad87db7524
1515e2a6cbbe2
hexbb7a2a6bcc

805208484812 has 24 divisors (see below), whose sum is σ = 1454915064960. Its totient is φ = 389524625280.

The previous prime is 805208484793. The next prime is 805208484851. The reversal of 805208484812 is 218484802508.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243353 + ... + 1292144.

It is an arithmetic number, because the mean of its divisors is an integer number (60621461040).

Almost surely, 2805208484812 is an apocalyptic number.

It is an amenable number.

805208484812 is a deficient number, since it is larger than the sum of its proper divisors (649706580148).

805208484812 is a wasteful number, since it uses less digits than its factorization.

805208484812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1539761 (or 1539759 counting only the distinct ones).

The product of its (nonzero) digits is 1310720, while the sum is 50.

The spelling of 805208484812 in words is "eight hundred five billion, two hundred eight million, four hundred eighty-four thousand, eight hundred twelve".

Divisors: 1 2 4 31 62 124 4229 8458 16916 131099 262198 524396 1535497 3070994 6141988 47600407 95200814 190401628 6493616813 12987233626 25974467252 201302121203 402604242406 805208484812