Base | Representation |
---|---|
bin | 111100001111100… |
… | …1010001010101110 |
3 | 12012212200111012001 |
4 | 1320133022022232 |
5 | 13114441342110 |
6 | 532330202514 |
7 | 101043622450 |
oct | 17037121256 |
9 | 5185614161 |
10 | 2021434030 |
11 | 948057340 |
12 | 484b8343a |
13 | 262a40415 |
14 | 1526782d0 |
15 | bc6e863a |
hex | 787ca2ae |
2021434030 has 64 divisors (see below), whose sum is σ = 4546368000. Its totient is φ = 628675200.
The previous prime is 2021434027. The next prime is 2021434069. The reversal of 2021434030 is 304341202.
It is a junction number, because it is equal to n+sod(n) for n = 2021433989 and 2021434007.
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 31 ways as a sum of consecutive naturals, for example, 381600 + ... + 386860.
It is an arithmetic number, because the mean of its divisors is an integer number (71037000).
Almost surely, 22021434030 is an apocalyptic number.
2021434030 is an abundant number, since it is smaller than the sum of its proper divisors (2524933970).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2021434030 is a wasteful number, since it uses less digits than its factorization.
2021434030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5785.
The product of its (nonzero) digits is 576, while the sum is 19.
The square root of 2021434030 is about 44960.3606524681. The cubic root of 2021434030 is about 1264.4059306002.
Adding to 2021434030 its reverse (304341202), we get a palindrome (2325775232).
The spelling of 2021434030 in words is "two billion, twenty-one million, four hundred thirty-four thousand, thirty".
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