Search a number
-
+
213130453625 = 537164737117
BaseRepresentation
bin1100011001111110010…
…0001010001001111001
3202101010102112211200122
43012133210022021321
511442442344004000
6241524421143025
721253366651625
oct3063744121171
9671112484618
10213130453625
118242a648371
1235380b5aa75
1317137737c6b
14a45bcc8185
155826094085
hex319f90a279

213130453625 has 32 divisors (see below), whose sum is σ = 270157275648. Its totient is φ = 167838552000.

The previous prime is 213130453609. The next prime is 213130453631. The reversal of 213130453625 is 526354031312.

It is a happy number.

213130453625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 213130453625 - 24 = 213130453609 is a prime.

It is a Duffinian 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 31 ways as a sum of consecutive naturals, for example, 5723567 + ... + 5760683.

It is an arithmetic number, because the mean of its divisors is an integer number (8442414864).

Almost surely, 2213130453625 is an apocalyptic number.

213130453625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

213130453625 is a deficient number, since it is larger than the sum of its proper divisors (57026822023).

213130453625 is an equidigital number, since it uses as much as digits as its factorization.

213130453625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37850 (or 37840 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 35.

Adding to 213130453625 its reverse (526354031312), we get a palindrome (739484484937).

The spelling of 213130453625 in words is "two hundred thirteen billion, one hundred thirty million, four hundred fifty-three thousand, six hundred twenty-five".

Divisors: 1 5 25 71 125 355 647 1775 3235 8875 16175 37117 45937 80875 185585 229685 927925 1148425 2635307 4639625 5742125 13176535 24014699 65882675 120073495 329413375 600367475 1705043629 3001837375 8525218145 42626090725 213130453625