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85486811868458 = 272111324197871423
BaseRepresentation
bin10011011011111111110011…
…000011011110110100101010
3102012200110101220101100212022
4103123333303003132310222
542201103442314242313
6501452033232544442
724002134614361100
oct2333776303366452
9365613356340768
1085486811868458
1125269831732730
129707b003b2122
1338914aaa12400
141717825c21c70
159d3a95078c08
hex4dbff30ded2a

85486811868458 has 288 divisors, whose sum is σ = 176975824112640. Its totient is φ = 30610633173120.

The previous prime is 85486811868449. The next prime is 85486811868487.

85486811868458 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 60075060335 + ... + 60075061757.

It is an arithmetic number, because the mean of its divisors is an integer number (614499389280).

Almost surely, 285486811868458 is an apocalyptic number.

85486811868458 is an abundant number, since it is smaller than the sum of its proper divisors (91489012244182).

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

85486811868458 is a wasteful number, since it uses less digits than its factorization.

85486811868458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2682 (or 2662 counting only the distinct ones).

The product of its digits is 3774873600, while the sum is 80.

The spelling of 85486811868458 in words is "eighty-five trillion, four hundred eighty-six billion, eight hundred eleven million, eight hundred sixty-eight thousand, four hundred fifty-eight".