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3124130125 = 5329861829
BaseRepresentation
bin1011101000110110…
…0111000101001101
322001201121020212011
42322031213011031
522344234131000
61234000541221
7140263445044
oct27215470515
98051536764
103124130125
111363543226
12732321811
133aa32630c
14218cb955b
151344132ba
hexba36714d

3124130125 has 16 divisors (see below), whose sum is σ = 4033364400. Its totient is φ = 2413118400.

The previous prime is 3124130117. The next prime is 3124130161. The reversal of 3124130125 is 5210314213.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 198077476 + 2926052649 = 14074^2 + 54093^2 .

It is not a de Polignac number, because 3124130125 - 23 = 3124130117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3124130096 and 3124130105.

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, 427290 + ... + 434539.

It is an arithmetic number, because the mean of its divisors is an integer number (252085275).

Almost surely, 23124130125 is an apocalyptic number.

It is an amenable number.

3124130125 is a deficient number, since it is larger than the sum of its proper divisors (909234275).

3124130125 is an equidigital number, since it uses as much as digits as its factorization.

3124130125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 861873 (or 861863 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 3124130125 is about 55893.9184974537. The cubic root of 3124130125 is about 1461.8732015879.

Adding to 3124130125 its reverse (5210314213), we get a palindrome (8334444338).

The spelling of 3124130125 in words is "three billion, one hundred twenty-four million, one hundred thirty thousand, one hundred twenty-five".

Divisors: 1 5 25 29 125 145 725 3625 861829 4309145 21545725 24993041 107728625 124965205 624826025 3124130125