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85801604743 = 107297997167
BaseRepresentation
bin100111111101000101…
…1001001011010000111
322012110122212010112201
41033322023021122013
52401210202322433
6103230002055331
76125146415101
oct1177213113207
9265418763481
1085801604743
113342a850648
121476694a547
138125088b2a
14421d4a2571
1523729b7a7d
hex13fa2c9687

85801604743 has 4 divisors (see below), whose sum is σ = 85809612640. Its totient is φ = 85793596848.

The previous prime is 85801604741. The next prime is 85801604761. The reversal of 85801604743 is 34740610858.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 85801604743 - 21 = 85801604741 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85801604693 and 85801604702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85801604741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3987855 + ... + 4009312.

It is an arithmetic number, because the mean of its divisors is an integer number (21452403160).

Almost surely, 285801604743 is an apocalyptic number.

85801604743 is a deficient number, since it is larger than the sum of its proper divisors (8007897).

85801604743 is a wasteful number, since it uses less digits than its factorization.

85801604743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8007896.

The product of its (nonzero) digits is 645120, while the sum is 46.

The spelling of 85801604743 in words is "eighty-five billion, eight hundred one million, six hundred four thousand, seven hundred forty-three".

Divisors: 1 10729 7997167 85801604743