Base | Representation |
---|---|
bin | 1011011001001111001101… |
… | …00011100001111010111111 |
3 | 10021201100222110021222001100 |
4 | 11230213212203201322333 |
5 | 11241011013022424411 |
6 | 125142431254144143 |
7 | 5164160153353530 |
oct | 554474643417277 |
9 | 107640873258040 |
10 | 25056412311231 |
11 | 7a90401591a14 |
12 | 2988125952053 |
13 | 10c9a6a745902 |
14 | 628a45bd0687 |
15 | 2d6b94d7b456 |
hex | 16c9e68e1ebf |
25056412311231 has 96 divisors (see below), whose sum is σ = 44870578736256. Its totient is φ = 13145195520000.
The previous prime is 25056412311143. The next prime is 25056412311247. The reversal of 25056412311231 is 13211321465052.
25056412311231 is a `hidden beast` number, since 2 + 5 + 0 + 5 + 6 + 412 + 3 + 1 + 1 + 231 = 666.
It is not a de Polignac number, because 25056412311231 - 211 = 25056412309183 is a prime.
It is a super-2 number, since 2×250564123112312 (a number of 28 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25056412310231) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 346904701 + ... + 346976921.
It is an arithmetic number, because the mean of its divisors is an integer number (467401861836).
Almost surely, 225056412311231 is an apocalyptic number.
25056412311231 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
25056412311231 is a deficient number, since it is larger than the sum of its proper divisors (19814166425025).
25056412311231 is a wasteful number, since it uses less digits than its factorization.
25056412311231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 80193 (or 80190 counting only the distinct ones).
The product of its (nonzero) digits is 43200, while the sum is 36.
Adding to 25056412311231 its reverse (13211321465052), we get a palindrome (38267733776283).
The spelling of 25056412311231 in words is "twenty-five trillion, fifty-six billion, four hundred twelve million, three hundred eleven thousand, two hundred thirty-one".
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