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85680446758 = 2593475234001
BaseRepresentation
bin100111111001011110…
…0111101110100100110
322012011012212200000221
41033302330331310212
52400433143244013
6103205553154554
76122145531604
oct1176274756446
9265135780027
1085680446758
1133378418885
121473225ba5a
138105c47b0a
14420b364874
15236703408d
hex13f2f3dd26

85680446758 has 32 divisors (see below), whose sum is σ = 131359086720. Its totient is φ = 41901984000.

The previous prime is 85680446741. The next prime is 85680446767. The reversal of 85680446758 is 85764408658.

It is a super-2 number, since 2×856804467582 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 85680446696 and 85680446705.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 21412758 + ... + 21416758.

It is an arithmetic number, because the mean of its divisors is an integer number (4104971460).

Almost surely, 285680446758 is an apocalyptic number.

85680446758 is a deficient number, since it is larger than the sum of its proper divisors (45678639962).

85680446758 is a wasteful number, since it uses less digits than its factorization.

85680446758 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4932.

The product of its (nonzero) digits is 51609600, while the sum is 61.

The spelling of 85680446758 in words is "eighty-five billion, six hundred eighty million, four hundred forty-six thousand, seven hundred fifty-eight".

Divisors: 1 2 59 118 347 523 694 1046 4001 8002 20473 30857 40946 61714 181481 236059 362962 472118 1388347 2092523 2776694 4185046 10707379 21414758 81912473 123458857 163824946 246917714 726105481 1452210962 42840223379 85680446758