Search a number
-
+
4125215305 = 51943423319
BaseRepresentation
bin1111010111100001…
…1100101001001001
3101122111022122120001
43311320130221021
531422023342210
61521201403001
7204140515531
oct36570345111
911574278501
104125215305
111827638352
12971639461
13509853403
142b1c2a4c1
1519225b03a
hexf5e1ca49

4125215305 has 8 divisors (see below), whose sum is σ = 5210798400. Its totient is φ = 3126478896.

The previous prime is 4125215299. The next prime is 4125215317. The reversal of 4125215305 is 5035125214.

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 4125215305 - 25 = 4125215273 is a prime.

It is a super-3 number, since 3×41252153053 (a number of 30 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21711565 + ... + 21711754.

It is an arithmetic number, because the mean of its divisors is an integer number (651349800).

Almost surely, 24125215305 is an apocalyptic number.

It is an amenable number.

4125215305 is a deficient number, since it is larger than the sum of its proper divisors (1085583095).

4125215305 is a wasteful number, since it uses less digits than its factorization.

4125215305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43423343.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 4125215305 is about 64227.8390186063. The cubic root of 4125215305 is about 1603.7950674692.

Subtracting 4125215305 from its reverse (5035125214), we obtain a palindrome (909909909).

The spelling of 4125215305 in words is "four billion, one hundred twenty-five million, two hundred fifteen thousand, three hundred five".

Divisors: 1 5 19 95 43423319 217116595 825043061 4125215305