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85346821869 = 347605296609
BaseRepresentation
bin100111101111100010…
…0010010011011101101
322011021222002202201120
41033133010102123231
52344242241244434
6103112514331153
76110655005361
oct1173704223355
9264258082646
1085346821869
1133217068531
121465a589ab9
138081aa613a
1441b8d1b2a1
152347ad2349
hex13df1126ed

85346821869 has 8 divisors (see below), whose sum is σ = 116216949120. Its totient is φ = 55687287936.

The previous prime is 85346821849. The next prime is 85346821927. The reversal of 85346821869 is 96812864358.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 85346821869 - 28 = 85346821613 is a prime.

It is a super-3 number, since 3×853468218693 (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85346821849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 302648164 + ... + 302648445.

It is an arithmetic number, because the mean of its divisors is an integer number (14527118640).

Almost surely, 285346821869 is an apocalyptic number.

It is an amenable number.

85346821869 is a deficient number, since it is larger than the sum of its proper divisors (30870127251).

85346821869 is a wasteful number, since it uses less digits than its factorization.

85346821869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605296659.

The product of its digits is 19906560, while the sum is 60.

The spelling of 85346821869 in words is "eighty-five billion, three hundred forty-six million, eight hundred twenty-one thousand, eight hundred sixty-nine".

Divisors: 1 3 47 141 605296609 1815889827 28448940623 85346821869