Base | Representation |
---|---|
bin | 10011000011000110… |
… | …010111110101000000 |
3 | 1221210102002222011112 |
4 | 103003012113311000 |
5 | 313341443044033 |
6 | 13221312502452 |
7 | 1322563311506 |
oct | 230306276500 |
9 | 57712088145 |
10 | 20453096768 |
11 | 8746270365 |
12 | 3b6984aa28 |
13 | 1c0c51a030 |
14 | dc054c676 |
15 | 7ea91bc48 |
hex | 4c3197d40 |
20453096768 has 28 divisors (see below), whose sum is σ = 43708662900. Its totient is φ = 9439890432.
The previous prime is 20453096753. The next prime is 20453096777. The reversal of 20453096768 is 86769035402.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 11127718144 + 9325378624 = 105488^2 + 96568^2 .
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12290693 + ... + 12292356.
It is an arithmetic number, because the mean of its divisors is an integer number (1561023675).
Almost surely, 220453096768 is an apocalyptic number.
It is an amenable number.
20453096768 is an abundant number, since it is smaller than the sum of its proper divisors (23255566132).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20453096768 is a wasteful number, since it uses less digits than its factorization.
20453096768 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24583074 (or 24583064 counting only the distinct ones).
The product of its (nonzero) digits is 2177280, while the sum is 50.
The spelling of 20453096768 in words is "twenty billion, four hundred fifty-three million, ninety-six thousand, seven hundred sixty-eight".
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