Base | Representation |
---|---|
bin | 1001001000110000100010… |
… | …01101010010001110101010 |
3 | 2122010210100011212100220220 |
4 | 10210120101031102032222 |
5 | 10113142203300042043 |
6 | 110422112044230510 |
7 | 4142416046423520 |
oct | 444302115221652 |
9 | 78123304770826 |
10 | 20092145705898 |
11 | 64470384a4792 |
12 | 2305baab3b436 |
13 | b298b1807876 |
14 | 4d6672102310 |
15 | 24c9997a7483 |
hex | 1246113523aa |
20092145705898 has 32 divisors (see below), whose sum is σ = 48342004707840. Its totient is φ = 5438475529200.
The previous prime is 20092145705887. The next prime is 20092145705969. The reversal of 20092145705898 is 89850754129002.
It is a super-3 number, since 3×200921457058983 (a number of 41 digits) contains 333 as substring.
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, 12589062928 + ... + 12589064523.
It is an arithmetic number, because the mean of its divisors is an integer number (1510687647120).
Almost surely, 220092145705898 is an apocalyptic number.
20092145705898 is an abundant number, since it is smaller than the sum of its proper divisors (28249859001942).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20092145705898 is a wasteful number, since it uses less digits than its factorization.
20092145705898 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25178127482.
The product of its (nonzero) digits is 14515200, while the sum is 60.
The spelling of 20092145705898 in words is "twenty trillion, ninety-two billion, one hundred forty-five million, seven hundred five thousand, eight hundred ninety-eight".
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