Base | Representation |
---|---|
bin | 1001011110100001010010… |
… | …01111011100000010000110 |
3 | 2201210021100121010100112220 |
4 | 10233100221033130002012 |
5 | 10212420030021424110 |
6 | 112153412224153210 |
7 | 4250426325510465 |
oct | 457205117340206 |
9 | 81707317110486 |
10 | 20839873233030 |
11 | 6705160166985 |
12 | 2406aa7468806 |
13 | b82264c89907 |
14 | 520925dd29dc |
15 | 26215d96e370 |
hex | 12f4293dc086 |
20839873233030 has 16 divisors (see below), whose sum is σ = 50015695759344. Its totient is φ = 5557299528800.
The previous prime is 20839873233019. The next prime is 20839873233031. The reversal of 20839873233030 is 3033237893802.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20839873233031) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 347331220521 + ... + 347331220580.
It is an arithmetic number, because the mean of its divisors is an integer number (3125980984959).
Almost surely, 220839873233030 is an apocalyptic number.
20839873233030 is an abundant number, since it is smaller than the sum of its proper divisors (29175822526314).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20839873233030 is a wasteful number, since it uses less digits than its factorization.
20839873233030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 694662441111.
The product of its (nonzero) digits is 3919104, while the sum is 51.
The spelling of 20839873233030 in words is "twenty trillion, eight hundred thirty-nine billion, eight hundred seventy-three million, two hundred thirty-three thousand, thirty".
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