Base | Representation |
---|---|
bin | 1010100000011100… |
… | …0101011111101001 |
3 | 21021120010200100000 |
4 | 2220013011133221 |
5 | 21234012223201 |
6 | 1143511333213 |
7 | 126615154260 |
oct | 25007053751 |
9 | 7246120300 |
10 | 2820429801 |
11 | 1218071722 |
12 | 668681209 |
13 | 35c431197 |
14 | 1ca8215d7 |
15 | 117922d86 |
hex | a81c57e9 |
2820429801 has 24 divisors (see below), whose sum is σ = 4828393024. Its totient is φ = 1611673200.
The previous prime is 2820429779. The next prime is 2820429803. The reversal of 2820429801 is 1089240282.
2820429801 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 2820429801 - 25 = 2820429769 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2820429803) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 827350 + ... + 830751.
Almost surely, 22820429801 is an apocalyptic number.
2820429801 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
It is an amenable number.
2820429801 is a deficient number, since it is larger than the sum of its proper divisors (2007963223).
2820429801 is an equidigital number, since it uses as much as digits as its factorization.
2820429801 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1658123 (or 1658111 counting only the distinct ones).
The product of its (nonzero) digits is 18432, while the sum is 36.
The square root of 2820429801 is about 53107.7188457573. The cubic root of 2820429801 is about 1412.8794168672.
The spelling of 2820429801 in words is "two billion, eight hundred twenty million, four hundred twenty-nine thousand, eight hundred one".
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