Search a number
-
+
4121250125 = 5391136191
BaseRepresentation
bin1111010110100101…
…0100100101001101
3101122012212012100112
43311221110211031
531420020001000
61520540405405
7204062022326
oct36551244515
911565765315
104121250125
11182537a243
12970246865
13508a95655
142b14b744d
15191c26235
hexf5a5494d

4121250125 has 16 divisors (see below), whose sum is σ = 5149108224. Its totient is φ = 3293290000.

The previous prime is 4121250071. The next prime is 4121250139. The reversal of 4121250125 is 5210521214.

It is a de Polignac number, because none of the positive numbers 2k-4121250125 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4121250125.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 95780 + ... + 131970.

It is an arithmetic number, because the mean of its divisors is an integer number (321819264).

Almost surely, 24121250125 is an apocalyptic number.

It is an amenable number.

4121250125 is a deficient number, since it is larger than the sum of its proper divisors (1027858099).

4121250125 is an equidigital number, since it uses as much as digits as its factorization.

4121250125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37117 (or 37107 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 4121250125 is about 64196.9635185341. The cubic root of 4121250125 is about 1603.2810438133.

Adding to 4121250125 its reverse (5210521214), we get a palindrome (9331771339).

The spelling of 4121250125 in words is "four billion, one hundred twenty-one million, two hundred fifty thousand, one hundred twenty-five".

Divisors: 1 5 25 125 911 4555 22775 36191 113875 180955 904775 4523875 32970001 164850005 824250025 4121250125