Search a number
-
+
20210230301021 = 73461600547657
BaseRepresentation
bin1001001100001100011111…
…00110010001000101011101
32122120002010200212022212222
410212012033212101011131
510122111022424113041
6110552241315035125
74154066230056245
oct446061746210535
978502120768788
1020210230301021
116492124141872
122324a6529baa5
13b37a7cc26667
144dc274cd0b25
15250aab50a74b
hex12618f99115d

20210230301021 has 8 divisors (see below), whose sum is σ = 20531523331704. Its totient is φ = 19890138366720.

The previous prime is 20210230300969. The next prime is 20210230301059. The reversal of 20210230301021 is 12010303201202.

It can be written as a sum of positive squares in 4 ways, for example, as 7270303322500 + 12939926978521 = 2696350^2 + 3597211^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20210230301021 - 210 = 20210230299997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20210230301221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 300240176 + ... + 300307481.

It is an arithmetic number, because the mean of its divisors is an integer number (2566440416463).

Almost surely, 220210230301021 is an apocalyptic number.

It is an amenable number.

20210230301021 is a deficient number, since it is larger than the sum of its proper divisors (321293030683).

20210230301021 is an equidigital number, since it uses as much as digits as its factorization.

20210230301021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600548191.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20210230301021 its reverse (12010303201202), we get a palindrome (32220533502223).

The spelling of 20210230301021 in words is "twenty trillion, two hundred ten billion, two hundred thirty million, three hundred one thousand, twenty-one".

Divisors: 1 73 461 33653 600547657 43839978961 276852469877 20210230301021