Search a number
-
+
221250132345325 = 5276507115675759
BaseRepresentation
bin110010010011100111001111…
…100010111000000111101101
31002000101022021010122200111011
4302103213033202320013231
5212444430232340022300
62102320524014225221
764413536351054566
oct6223471742700755
91060338233580434
10221250132345325
1164551721803526
12209939117b5211
13965ba4b157475
143c8c7c650b16d
151a8a354de8eba
hexc939cf8b81ed

221250132345325 has 12 divisors (see below), whose sum is σ = 274353752428480. Its totient is φ = 176997790830960.

The previous prime is 221250132345313. The next prime is 221250132345371. The reversal of 221250132345325 is 523543231052122.

It is not a de Polignac number, because 221250132345325 - 225 = 221250098790893 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55925205 + ... + 59750554.

Almost surely, 2221250132345325 is an apocalyptic number.

221250132345325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

221250132345325 is a deficient number, since it is larger than the sum of its proper divisors (53103620083155).

221250132345325 is a wasteful number, since it uses less digits than its factorization.

221250132345325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115752276 (or 115752271 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 40.

Adding to 221250132345325 its reverse (523543231052122), we get a palindrome (744793363397447).

The spelling of 221250132345325 in words is "two hundred twenty-one trillion, two hundred fifty billion, one hundred thirty-two million, three hundred forty-five thousand, three hundred twenty-five".

Divisors: 1 5 25 76507 382535 1912675 115675759 578378795 2891893975 8850005293813 44250026469065 221250132345325