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85865513024533 = 1119410839775237
BaseRepresentation
bin10011100001100000011111…
…011001101111110000010101
3102021000122220020102100200211
4103201200133121233300111
542223310032313241113
6502342023325005421
724041402313161164
oct2341403731576025
9367018806370624
1085865513024533
11253a53a5658380
12976938a6b3871
1338bb110854108
14172bcad3dd3db
159dd85bb93b3d
hex4e181f66fc15

85865513024533 has 8 divisors (see below), whose sum is σ = 98601546057120. Its totient is φ = 73951159542480.

The previous prime is 85865513024519. The next prime is 85865513024539. The reversal of 85865513024533 is 33542031556858.

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

It is a de Polignac number, because none of the positive numbers 2k-85865513024533 is a prime.

It is a super-2 number, since 2×858655130245332 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85865513024539) 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, 205419887410 + ... + 205419887827.

It is an arithmetic number, because the mean of its divisors is an integer number (12325193257140).

Almost surely, 285865513024533 is an apocalyptic number.

It is an amenable number.

85865513024533 is a deficient number, since it is larger than the sum of its proper divisors (12736033032587).

85865513024533 is a wasteful number, since it uses less digits than its factorization.

85865513024533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410839775267.

The product of its (nonzero) digits is 51840000, while the sum is 58.

The spelling of 85865513024533 in words is "eighty-five trillion, eight hundred sixty-five billion, five hundred thirteen million, twenty-four thousand, five hundred thirty-three".

Divisors: 1 11 19 209 410839775237 4519237527607 7805955729503 85865513024533