Base | Representation |
---|---|
bin | 1010100000010110… |
… | …0100001101011011 |
3 | 21021112101102201120 |
4 | 2220011210031123 |
5 | 21233412000243 |
6 | 1143455020323 |
7 | 126611604444 |
oct | 25005441533 |
9 | 7245342646 |
10 | 2820031323 |
11 | 121791a2aa |
12 | 66850a6a3 |
13 | 35c3219b5 |
14 | 1ca75a2cb |
15 | 117894c83 |
hex | a816435b |
2820031323 has 16 divisors (see below), whose sum is σ = 3840291840. Its totient is φ = 1840312224.
The previous prime is 2820031301. The next prime is 2820031327. The reversal of 2820031323 is 3231300282.
It is not a de Polignac number, because 2820031323 - 26 = 2820031259 is a prime.
It is a super-2 number, since 2×28200313232 = 15905153325402260658, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2820031293 and 2820031302.
It is not an unprimeable number, because it can be changed into a prime (2820031327) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24811 + ... + 79092.
It is an arithmetic number, because the mean of its divisors is an integer number (240018240).
Almost surely, 22820031323 is an apocalyptic number.
2820031323 is a deficient number, since it is larger than the sum of its proper divisors (1020260517).
2820031323 is a wasteful number, since it uses less digits than its factorization.
2820031323 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 104098.
The product of its (nonzero) digits is 1728, while the sum is 24.
The square root of 2820031323 is about 53103.9671116951. The cubic root of 2820031323 is about 1412.8128752500.
The spelling of 2820031323 in words is "two billion, eight hundred twenty million, thirty-one thousand, three hundred twenty-three".
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