Base | Representation |
---|---|
bin | 100111110000111000… |
… | …0001000010101010110 |
3 | 22011102002212102010211 |
4 | 1033201300020111112 |
5 | 2344340304304040 |
6 | 103121204040034 |
7 | 6112042625041 |
oct | 1174160102526 |
9 | 264362772124 |
10 | 85391869270 |
11 | 3323a536294 |
12 | 1467169301a |
13 | 808b2191c6 |
14 | 41c0cc5c58 |
15 | 234ba2e8ea |
hex | 13e1c08556 |
85391869270 has 16 divisors (see below), whose sum is σ = 153712410480. Its totient is φ = 34155181984.
The previous prime is 85391869247. The next prime is 85391869289. The reversal of 85391869270 is 7296819358.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47769 + ... + 416011.
It is an arithmetic number, because the mean of its divisors is an integer number (9607025655).
Almost surely, 285391869270 is an apocalyptic number.
85391869270 is a deficient number, since it is larger than the sum of its proper divisors (68320541210).
85391869270 is a wasteful number, since it uses less digits than its factorization.
85391869270 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 391439.
The product of its (nonzero) digits is 6531840, while the sum is 58.
The spelling of 85391869270 in words is "eighty-five billion, three hundred ninety-one million, eight hundred sixty-nine thousand, two hundred seventy".
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