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85811260378317 = 3472179072792891
BaseRepresentation
bin10011100000101101111101…
…101100010100110011001101
3102020211110212021111101011120
4103200231331230110303031
542221412430124101232
6502301052050311153
724034442012246025
oct2340557554246315
9366743767441146
1085811260378317
1125384395430281
12975a9695884b9
1338b5c75a349a6
141729403d90a85
159dc233cc092c
hex4e0b7db14ccd

85811260378317 has 16 divisors (see below), whose sum is σ = 116849953907712. Its totient is φ = 55990048927280.

The previous prime is 85811260378309. The next prime is 85811260378331. The reversal of 85811260378317 is 71387306211858.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 85811260378317 - 23 = 85811260378309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85811260378367) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29328442 + ... + 32121332.

It is an arithmetic number, because the mean of its divisors is an integer number (7303122119232).

Almost surely, 285811260378317 is an apocalyptic number.

It is an amenable number.

85811260378317 is a deficient number, since it is larger than the sum of its proper divisors (31038693529395).

85811260378317 is a wasteful number, since it uses less digits than its factorization.

85811260378317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3010848.

The product of its (nonzero) digits is 13547520, while the sum is 60.

The spelling of 85811260378317 in words is "eighty-five trillion, eight hundred eleven billion, two hundred sixty million, three hundred seventy-eight thousand, three hundred seventeen".

Divisors: 1 3 47 141 217907 653721 2792891 8378673 10241629 30724887 131265877 393797631 608590499137 1825771497411 28603753459439 85811260378317