Base | Representation |
---|---|
bin | 10011000010111101… |
… | …010001111010100110 |
3 | 1221210020121212121020 |
4 | 103002331101322212 |
5 | 313340340311004 |
6 | 13221145432010 |
7 | 1322534123466 |
oct | 230275217246 |
9 | 57706555536 |
10 | 20450713254 |
11 | 8744992614 |
12 | 3b68a9b606 |
13 | 1c0bb9417a |
14 | dc00cbba6 |
15 | 7ea5ea8d9 |
hex | 4c2f51ea6 |
20450713254 has 16 divisors (see below), whose sum is σ = 40902868992. Its totient is φ = 6816664008.
The previous prime is 20450713243. The next prime is 20450713267. The reversal of 20450713254 is 45231705402.
It is a super-3 number, since 3×204507132543 (a number of 32 digits) contains 333 as substring.
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, 237747 + ... + 312129.
It is an arithmetic number, because the mean of its divisors is an integer number (2556429312).
Almost surely, 220450713254 is an apocalyptic number.
20450713254 is an abundant number, since it is smaller than the sum of its proper divisors (20452155738).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20450713254 is a wasteful number, since it uses less digits than its factorization.
20450713254 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 120211.
The product of its (nonzero) digits is 33600, while the sum is 33.
The spelling of 20450713254 in words is "twenty billion, four hundred fifty million, seven hundred thirteen thousand, two hundred fifty-four".
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