Search a number
-
+
21230124444403 = 73197834674859
BaseRepresentation
bin1001101001111000001100…
…00001101010101011110011
32210011120122212121221122021
410310330012001222223303
510240313243324210103
6113052552354052311
74320553163205310
oct464740601525363
983146585557567
1021230124444403
116845710865076
12246a65987a097
13baccb8985674
14535787545d07
1526c39e57cbbd
hex134f0606aaf3

21230124444403 has 8 divisors (see below), whose sum is σ = 25045676764160. Its totient is φ = 17610241474440.

The previous prime is 21230124444371. The next prime is 21230124444443. The reversal of 21230124444403 is 30444442103212.

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 21230124444403 - 25 = 21230124444371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21230124444443) 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, 48917337213 + ... + 48917337646.

It is an arithmetic number, because the mean of its divisors is an integer number (3130709595520).

Almost surely, 221230124444403 is an apocalyptic number.

21230124444403 is a deficient number, since it is larger than the sum of its proper divisors (3815552319757).

21230124444403 is an equidigital number, since it uses as much as digits as its factorization.

21230124444403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97834674897.

The product of its (nonzero) digits is 73728, while the sum is 34.

Adding to 21230124444403 its reverse (30444442103212), we get a palindrome (51674566547615).

The spelling of 21230124444403 in words is "twenty-one trillion, two hundred thirty billion, one hundred twenty-four million, four hundred forty-four thousand, four hundred three".

Divisors: 1 7 31 217 97834674859 684842724013 3032874920629 21230124444403