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85840064458087 = 1923196430353451
BaseRepresentation
bin10011100001001000110010…
…100011001010110101100111
3102020221020012200110020101211
4103201020302203022311213
542222400423000124322
6502322214201532251
724036511551011002
oct2341106243126547
9366836180406354
1085840064458087
11253956265a4785
129764467aa4087
1338b88b6403584
14172a97764c539
159dcd6c917b77
hex4e12328cad67

85840064458087 has 8 divisors (see below), whose sum is σ = 94286569656960. Its totient is φ = 77786419966200.

The previous prime is 85840064458063. The next prime is 85840064458193. The reversal of 85840064458087 is 78085446004858.

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

It is not a de Polignac number, because 85840064458087 - 211 = 85840064456039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85840064458007) 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, 98215176289 + ... + 98215177162.

It is an arithmetic number, because the mean of its divisors is an integer number (11785821207120).

Almost surely, 285840064458087 is an apocalyptic number.

85840064458087 is a deficient number, since it is larger than the sum of its proper divisors (8446505198873).

85840064458087 is a wasteful number, since it uses less digits than its factorization.

85840064458087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196430353493.

The product of its (nonzero) digits is 275251200, while the sum is 67.

The spelling of 85840064458087 in words is "eighty-five trillion, eight hundred forty billion, sixty-four million, four hundred fifty-eight thousand, eighty-seven".

Divisors: 1 19 23 437 196430353451 3732176715569 4517898129373 85840064458087