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225615430333 = 445750620469
BaseRepresentation
bin1101001000011110111…
…0100100001010111101
3210120100112020101000101
43102013232210022331
512144030022232313
6251351333401101
722204650341626
oct3220756441275
9716315211011
10225615430333
1187757035137
1237886199191
13183771c4747
14acc40aaa4d
155d071b15dd
hex3487ba42bd

225615430333 has 4 divisors (see below), whose sum is σ = 225666055260. Its totient is φ = 225564805408.

The previous prime is 225615430279. The next prime is 225615430387. The reversal of 225615430333 is 333034516522.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (225615430279) and next prime (225615430387).

It can be written as a sum of positive squares in 2 ways, for example, as 116545083769 + 109070346564 = 341387^2 + 330258^2 .

It is a cyclic number.

It is not a de Polignac number, because 225615430333 - 233 = 217025495741 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 225615430292 and 225615430301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225615434333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25305778 + ... + 25314691.

It is an arithmetic number, because the mean of its divisors is an integer number (56416513815).

Almost surely, 2225615430333 is an apocalyptic number.

It is an amenable number.

225615430333 is a deficient number, since it is larger than the sum of its proper divisors (50624927).

225615430333 is an equidigital number, since it uses as much as digits as its factorization.

225615430333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50624926.

The product of its (nonzero) digits is 194400, while the sum is 37.

Adding to 225615430333 its reverse (333034516522), we get a palindrome (558649946855).

The spelling of 225615430333 in words is "two hundred twenty-five billion, six hundred fifteen million, four hundred thirty thousand, three hundred thirty-three".

Divisors: 1 4457 50620469 225615430333