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225725527745471 = 131071371184494313
BaseRepresentation
bin110011010100101111010001…
…111001011110001110111111
31002121020011001010122220212202
4303110233101321132032333
5214041241340100323341
62120024513105422115
765355063001232165
oct6324572171361677
91077204033586782
10225725527745471
1165a1772783a546
122139715263a93b
1398c4a97758130
143da5261011235
151b1698b8ba79b
hexcd4bd1e5e3bf

225725527745471 has 16 divisors (see below), whose sum is σ = 247151845581984. Its totient is φ = 204908040021504.

The previous prime is 225725527745447. The next prime is 225725527745483. The reversal of 225725527745471 is 174547725527522.

It is a cyclic number.

It is not a de Polignac number, because 225725527745471 - 222 = 225725523551167 is a prime.

It is a super-3 number, since 3×2257255277454713 (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 225725527745398 and 225725527745407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225725527745071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 592056590 + ... + 592437723.

It is an arithmetic number, because the mean of its divisors is an integer number (15446990348874).

Almost surely, 2225725527745471 is an apocalyptic number.

225725527745471 is a deficient number, since it is larger than the sum of its proper divisors (21426317836513).

225725527745471 is a wasteful number, since it uses less digits than its factorization.

225725527745471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1184494570.

The product of its digits is 384160000, while the sum is 65.

The spelling of 225725527745471 in words is "two hundred twenty-five trillion, seven hundred twenty-five billion, five hundred twenty-seven million, seven hundred forty-five thousand, four hundred seventy-one".

Divisors: 1 13 107 137 1391 1781 14659 190567 1184494313 15398426069 126740891491 162275720881 1647631589383 2109584371453 17363502134267 225725527745471