Base | Representation |
---|---|
bin | 100111110001000100… |
… | …0010101011000101111 |
3 | 22011102112210202201220 |
4 | 1033202020111120233 |
5 | 2344343420323231 |
6 | 103121552034423 |
7 | 6112150562253 |
oct | 1174210253057 |
9 | 264375722656 |
10 | 85398214191 |
11 | 3324307a324 |
12 | 14673832a13 |
13 | 808c62b1b4 |
14 | 41c1a98263 |
15 | 234c384896 |
hex | 13e221562f |
85398214191 has 16 divisors (see below), whose sum is σ = 117077336064. Its totient is φ = 55329187104.
The previous prime is 85398214177. The next prime is 85398214199. The reversal of 85398214191 is 19141289358.
It is not a de Polignac number, because 85398214191 - 215 = 85398181423 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (85398214199) 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, 349951 + ... + 541536.
It is an arithmetic number, because the mean of its divisors is an integer number (7317333504).
Almost surely, 285398214191 is an apocalyptic number.
85398214191 is a deficient number, since it is larger than the sum of its proper divisors (31679121873).
85398214191 is a wasteful number, since it uses less digits than its factorization.
85398214191 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 892390.
The product of its digits is 622080, while the sum is 51.
The spelling of 85398214191 in words is "eighty-five billion, three hundred ninety-eight million, two hundred fourteen thousand, one hundred ninety-one".
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