Base | Representation |
---|---|
bin | 10010111110111001… |
… | …100000010011110000 |
3 | 1221121111111010001002 |
4 | 102332321200103300 |
5 | 313220422133033 |
6 | 13210314101132 |
7 | 1321046236565 |
oct | 227671402360 |
9 | 57544433032 |
10 | 20382614768 |
11 | 870a50017a |
12 | 3b4a11a7a8 |
13 | 1bcaa3ccc9 |
14 | db504286c |
15 | 7e46483e8 |
hex | 4bee604f0 |
20382614768 has 20 divisors (see below), whose sum is σ = 39493558560. Its totient is φ = 10190728704.
The previous prime is 20382614741. The next prime is 20382614801. The reversal of 20382614768 is 86741628302.
It is a super-3 number, since 3×203826147683 (a number of 32 digits) contains 333 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 464096 + ... + 506112.
It is an arithmetic number, because the mean of its divisors is an integer number (1974677928).
Almost surely, 220382614768 is an apocalyptic number.
It is an amenable number.
20382614768 is a deficient number, since it is larger than the sum of its proper divisors (19110943792).
20382614768 is a wasteful number, since it uses less digits than its factorization.
20382614768 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 72344 (or 72338 counting only the distinct ones).
The product of its (nonzero) digits is 774144, while the sum is 47.
The spelling of 20382614768 in words is "twenty billion, three hundred eighty-two million, six hundred fourteen thousand, seven hundred sixty-eight".
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