Search a number
-
+
124041318025 = 52704392
BaseRepresentation
bin111001110000101110…
…0000100111010001001
3102212011122121211121211
41303201130010322021
54013014034134100
6132552255533121
711650600543462
oct1634134047211
9385148554554
10124041318025
11486730aa179
122005922a1a1
13b90a544501
146009d73d69
15335eb8d1ba
hex1ce1704e89

124041318025 has 9 divisors (see below), whose sum is σ = 153813417991. Its totient is φ = 99231645640.

The previous prime is 124041318019. The next prime is 124041318029. The reversal of 124041318025 is 520813140421.

The square root of 124041318025 is 352195.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 44654874489 + 79386443536 = 211317^2 + 281756^2 .

It is not a de Polignac number, because 124041318025 - 227 = 123907100297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124041318029) by changing a digit.

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 8 ways as a sum of consecutive naturals, for example, 1725756 + ... + 1796194.

Almost surely, 2124041318025 is an apocalyptic number.

124041318025 is the 352195-th square number.

124041318025 is the 176098-th centered octagonal number.

It is an amenable number.

124041318025 is a deficient number, since it is larger than the sum of its proper divisors (29772099966).

124041318025 is an frugal number, since it uses more digits than its factorization.

124041318025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140888 (or 70444 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

Adding to 124041318025 its reverse (520813140421), we get a palindrome (644854458446).

The spelling of 124041318025 in words is "one hundred twenty-four billion, forty-one million, three hundred eighteen thousand, twenty-five".

Divisors: 1 5 25 70439 352195 1760975 4961652721 24808263605 124041318025