Base | Representation |
---|---|
bin | 1011010111111001… |
… | …0110001101110101 |
3 | 21212202210111010121 |
4 | 2311332112031311 |
5 | 22223033120041 |
6 | 1222540451541 |
7 | 135441146002 |
oct | 26576261565 |
9 | 7782714117 |
10 | 3053020021 |
11 | 1327394147 |
12 | 712549bb1 |
13 | 39868942c |
14 | 20d6888a9 |
15 | 12d0687d1 |
hex | b5f96375 |
3053020021 has 16 divisors (see below), whose sum is σ = 3313465920. Its totient is φ = 2802412800.
The previous prime is 3053019971. The next prime is 3053020057. The reversal of 3053020021 is 1200203503.
It is a cyclic number.
It is not a de Polignac number, because 3053020021 - 29 = 3053019509 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 3053019977 and 3053020004.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3053020721) 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, 101770 + ... + 128308.
It is an arithmetic number, because the mean of its divisors is an integer number (207091620).
Almost surely, 23053020021 is an apocalyptic number.
It is an amenable number.
3053020021 is a deficient number, since it is larger than the sum of its proper divisors (260445899).
3053020021 is a wasteful number, since it uses less digits than its factorization.
3053020021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26724.
The product of its (nonzero) digits is 180, while the sum is 16.
The square root of 3053020021 is about 55254.1403064060. The cubic root of 3053020021 is about 1450.6964582920.
Adding to 3053020021 its reverse (1200203503), we get a palindrome (4253223524).
The spelling of 3053020021 in words is "three billion, fifty-three million, twenty thousand, twenty-one".
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