Base | Representation |
---|---|
bin | 100111111111011011… |
… | …1100000011111010101 |
3 | 22012200011000102102101 |
4 | 1033332313200133111 |
5 | 2401340331424420 |
6 | 103241453442101 |
7 | 6130123603150 |
oct | 1177667403725 |
9 | 265604012371 |
10 | 85880342485 |
11 | 3347023a463 |
12 | 147891a0331 |
13 | 8138496802 |
14 | 4229b1ac97 |
15 | 237986c60a |
hex | 13fede07d5 |
85880342485 has 16 divisors (see below), whose sum is σ = 117785483136. Its totient is φ = 58886013888.
The previous prime is 85880342479. The next prime is 85880342489. The reversal of 85880342485 is 58424308858.
It is a cyclic number.
It is not a de Polignac number, because 85880342485 - 23 = 85880342477 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (85880342489) 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, 657919 + ... + 777571.
It is an arithmetic number, because the mean of its divisors is an integer number (7361592696).
Almost surely, 285880342485 is an apocalyptic number.
It is an amenable number.
85880342485 is a deficient number, since it is larger than the sum of its proper divisors (31905140651).
85880342485 is a wasteful number, since it uses less digits than its factorization.
85880342485 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 140172.
The product of its (nonzero) digits is 9830400, while the sum is 55.
The spelling of 85880342485 in words is "eighty-five billion, eight hundred eighty million, three hundred forty-two thousand, four hundred eighty-five".
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