Base | Representation |
---|---|
bin | 1001011101000010101110… |
… | …00011000100101100100000 |
3 | 2201121102022021100101210100 |
4 | 10232201113003010230200 |
5 | 10211102040121323341 |
6 | 112114214235302400 |
7 | 4243651221350640 |
oct | 456412703045440 |
9 | 81542267311710 |
10 | 20789102136096 |
11 | 6695677204338 |
12 | 23b90982aaa00 |
13 | b7a533546918 |
14 | 51c2ab0dc520 |
15 | 260b8b5613b6 |
hex | 12e8570c4b20 |
20789102136096 has 144 divisors (see below), whose sum is σ = 67615505927424. Its totient is φ = 5935266634752.
The previous prime is 20789102135957. The next prime is 20789102136113. The reversal of 20789102136096 is 69063120198702.
20789102136096 is a `hidden beast` number, since 2 + 0 + 7 + 8 + 9 + 1 + 0 + 21 + 3 + 609 + 6 = 666.
It is a tau number, because it is divible by the number of its divisors (144).
It is a super-2 number, since 2×207891021360962 (a number of 27 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1210245 + ... + 6560708.
It is an arithmetic number, because the mean of its divisors is an integer number (469552124496).
Almost surely, 220789102136096 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20789102136096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33807752963712).
20789102136096 is an abundant number, since it is smaller than the sum of its proper divisors (46826403791328).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20789102136096 is a wasteful number, since it uses less digits than its factorization.
20789102136096 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7772303 (or 7772292 counting only the distinct ones).
The product of its (nonzero) digits is 1959552, while the sum is 54.
The spelling of 20789102136096 in words is "twenty trillion, seven hundred eighty-nine billion, one hundred two million, one hundred thirty-six thousand, ninety-six".
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