Base | Representation |
---|---|
bin | 10010101011000101… |
… | …101111000111000001 |
3 | 1220202100010121001111 |
4 | 102223011233013001 |
5 | 312030332324201 |
6 | 13113323003321 |
7 | 1306602353332 |
oct | 225305570701 |
9 | 56670117044 |
10 | 20050276801 |
11 | 85599497a5 |
12 | 3a76969541 |
13 | 1b76c2c019 |
14 | d82c52289 |
15 | 7c539cb51 |
hex | 4ab16f1c1 |
20050276801 has 27 divisors (see below), whose sum is σ = 21336905961. Its totient is φ = 18840596544.
The previous prime is 20050276793. The next prime is 20050276817. The reversal of 20050276801 is 10867205002.
The square root of 20050276801 is 141599.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in 4 ways, for example, as 303282225 + 19746994576 = 17415^2 + 140524^2 .
It is not a de Polignac number, because 20050276801 - 23 = 20050276793 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20050276201) by changing a digit.
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 26 ways as a sum of consecutive naturals, for example, 225283965 + ... + 225284053.
Almost surely, 220050276801 is an apocalyptic number.
20050276801 is the 141599-th square number.
20050276801 is the 70800-th centered octagonal number.
It is an amenable number.
20050276801 is a deficient number, since it is larger than the sum of its proper divisors (1286629160).
20050276801 is an frugal number, since it uses more digits than its factorization.
20050276801 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 338 (or 169 counting only the distinct ones).
The product of its (nonzero) digits is 6720, while the sum is 31.
The spelling of 20050276801 in words is "twenty billion, fifty million, two hundred seventy-six thousand, eight hundred one".
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