Search a number
-
+
20230124230400 = 28527701644173
BaseRepresentation
bin1001001100110001100010…
…10111100101011100000000
32122121222111010210122121012
410212120301113211130000
510122422243300333100
6111005331335020052
74155402223505330
oct446306127453400
978558433718535
1020230124230400
11649a602803417
12232889780a628
13b399006435c6
144dd2010850c0
15251372cc3135
hex1266315e5700

20230124230400 has 216 divisors, whose sum is σ = 57307687635744. Its totient is φ = 6926137344000.

The previous prime is 20230124230333. The next prime is 20230124230411. The reversal of 20230124230400 is 403242103202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31082714 + ... + 31726886.

It is an arithmetic number, because the mean of its divisors is an integer number (265313368684).

Almost surely, 220230124230400 is an apocalyptic number.

20230124230400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20230124230400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28653843817872).

20230124230400 is an abundant number, since it is smaller than the sum of its proper divisors (37077563405344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20230124230400 is an equidigital number, since it uses as much as digits as its factorization.

20230124230400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644907 (or 644888 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 20230124230400 its reverse (403242103202), we get a palindrome (20633366333602).

The spelling of 20230124230400 in words is "twenty trillion, two hundred thirty billion, one hundred twenty-four million, two hundred thirty thousand, four hundred".