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85811257846043 = 192237704315363
BaseRepresentation
bin10011100000101101111101…
…100010101010100100011011
3102020211110212002201201112122
4103200231331202222210123
542221412424002033133
6502301051520131455
724034441651601222
oct2340557542524433
9366743762651478
1085811257846043
1125384393a60794
12975a968766b8b
1338b5c753591c2
1417294038d1cb9
159dc233970498
hex4e0b7d8aa91b

85811257846043 has 6 divisors (see below), whose sum is σ = 90565344153684. Its totient is φ = 81294875853804.

The previous prime is 85811257846021. The next prime is 85811257846057. The reversal of 85811257846043 is 34064875211858.

It is not a de Polignac number, because 85811257846043 - 224 = 85811241068827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85810257846043) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 118852157321 + ... + 118852158042.

It is an arithmetic number, because the mean of its divisors is an integer number (15094224025614).

Almost surely, 285811257846043 is an apocalyptic number.

85811257846043 is a deficient number, since it is larger than the sum of its proper divisors (4754086307641).

85811257846043 is a wasteful number, since it uses less digits than its factorization.

85811257846043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237704315401 (or 237704315382 counting only the distinct ones).

The product of its (nonzero) digits is 51609600, while the sum is 62.

The spelling of 85811257846043 in words is "eighty-five trillion, eight hundred eleven billion, two hundred fifty-seven million, eight hundred forty-six thousand, forty-three".

Divisors: 1 19 361 237704315363 4516381991897 85811257846043