Search a number
-
+
2103234125 = 5316825873
BaseRepresentation
bin111110101011100…
…1100111001001101
312102120121100211012
41331113030321031
513301411443000
6544411335005
7103056123626
oct17527147115
95376540735
102103234125
1198a247a23
124a8451465
13276980c45
1415d48ca4d
15c49a5735
hex7d5cce4d

2103234125 has 8 divisors (see below), whose sum is σ = 2624836344. Its totient is φ = 1682587200.

The previous prime is 2103234121. The next prime is 2103234157. The reversal of 2103234125 is 5214323012.

It can be written as a sum of positive squares in 4 ways, for example, as 644809 + 2102589316 = 803^2 + 45854^2 .

It is not a de Polignac number, because 2103234125 - 22 = 2103234121 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 2103234125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103234121) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 8412812 + ... + 8413061.

It is an arithmetic number, because the mean of its divisors is an integer number (328104543).

Almost surely, 22103234125 is an apocalyptic number.

2103234125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2103234125 is a deficient number, since it is larger than the sum of its proper divisors (521602219).

2103234125 is an equidigital number, since it uses as much as digits as its factorization.

2103234125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16825888 (or 16825878 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 2103234125 is about 45861.0305706272. The cubic root of 2103234125 is about 1281.2362171827.

Adding to 2103234125 its reverse (5214323012), we get a palindrome (7317557137).

It can be divided in two parts, 21032341 and 25, that multiplied together give a palindrome (525808525).

The spelling of 2103234125 in words is "two billion, one hundred three million, two hundred thirty-four thousand, one hundred twenty-five".

Divisors: 1 5 25 125 16825873 84129365 420646825 2103234125