Base | Representation |
---|---|
bin | 100111101000111010… |
… | …1101010110010100000 |
3 | 22010201111111020111010 |
4 | 1033101311222302200 |
5 | 2343313432320124 |
6 | 103034505420520 |
7 | 6102321406140 |
oct | 1172165526240 |
9 | 263644436433 |
10 | 85124885664 |
11 | 33112862585 |
12 | 145b819a740 |
13 | 8047b0b340 |
14 | 4197668920 |
15 | 2333393529 |
hex | 13d1d6aca0 |
85124885664 has 96 divisors (see below), whose sum is σ = 275018889600. Its totient is φ = 22450516992.
The previous prime is 85124885633. The next prime is 85124885687. The reversal of 85124885664 is 46658842158.
It is a tau number, because it is divible by the number of its divisors (96).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4863339 + ... + 4880810.
It is an arithmetic number, because the mean of its divisors is an integer number (2864780100).
Almost surely, 285124885664 is an apocalyptic number.
85124885664 is a gapful number since it is divisible by the number (84) formed by its first and last digit.
It is an amenable number.
85124885664 is an abundant number, since it is smaller than the sum of its proper divisors (189894003936).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
85124885664 is a wasteful number, since it uses less digits than its factorization.
85124885664 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9744182 (or 9744174 counting only the distinct ones).
The product of its digits is 14745600, while the sum is 57.
The spelling of 85124885664 in words is "eighty-five billion, one hundred twenty-four million, eight hundred eighty-five thousand, six hundred sixty-four".
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