Search a number
-
+
2302131304525 = 52132544883149
BaseRepresentation
bin100001100000000001101…
…101111111100001001101
322011002012111012100212211
4201200001231333201031
5300204231103221100
64521330131230421
7325215650135263
oct41400155774115
98132174170784
102302131304525
11808368117788
12312203148411
13139122ac1800
147d5d0aaa433
153ed3c8391ba
hex21801b7f84d

2302131304525 has 18 divisors (see below), whose sum is σ = 3091122109950. Its totient is φ = 1700035421760.

The previous prime is 2302131304513. The next prime is 2302131304549. The reversal of 2302131304525 is 5254031312032.

It can be written as a sum of positive squares in 9 ways, for example, as 1596070909449 + 706060395076 = 1263357^2 + 840274^2 .

It is not a de Polignac number, because 2302131304525 - 25 = 2302131304493 is a prime.

It is a congruent number.

It is an unprimeable number.

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 17 ways as a sum of consecutive naturals, for example, 272437350 + ... + 272445799.

Almost surely, 22302131304525 is an apocalyptic number.

2302131304525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2302131304525 is a deficient number, since it is larger than the sum of its proper divisors (788990805425).

2302131304525 is a wasteful number, since it uses less digits than its factorization.

2302131304525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544883185 (or 544883167 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 2302131304525 its reverse (5254031312032), we get a palindrome (7556162616557).

The spelling of 2302131304525 in words is "two trillion, three hundred two billion, one hundred thirty-one million, three hundred four thousand, five hundred twenty-five".

Divisors: 1 5 13 25 65 169 325 845 4225 544883149 2724415745 7083480937 13622078725 35417404685 92085252181 177087023425 460426260905 2302131304525