Base | Representation |
---|---|
bin | 10010110111111001… |
… | …101100101110100111 |
3 | 1221022022121002201121 |
4 | 102313321230232213 |
5 | 313000344201002 |
6 | 13150522034411 |
7 | 1315122400000 |
oct | 226771545647 |
9 | 57268532647 |
10 | 20265225127 |
11 | 865a211644 |
12 | 3b16948a07 |
13 | 1bac61b294 |
14 | da36061a7 |
15 | 7d91ab237 |
hex | 4b7e6cba7 |
20265225127 has 24 divisors (see below), whose sum is σ = 23752974336. Its totient is φ = 17289101592.
The previous prime is 20265225083. The next prime is 20265225179. The reversal of 20265225127 is 72152256202.
It is not a de Polignac number, because 20265225127 - 223 = 20256836519 is a prime.
It is a super-2 number, since 2×202652251272 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 20265225092 and 20265225101.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20265223127) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3745258 + ... + 3750664.
It is an arithmetic number, because the mean of its divisors is an integer number (989707264).
Almost surely, 220265225127 is an apocalyptic number.
20265225127 is a deficient number, since it is larger than the sum of its proper divisors (3487749209).
20265225127 is an frugal number, since it uses more digits than its factorization.
20265225127 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5665 (or 5637 counting only the distinct ones).
The product of its (nonzero) digits is 33600, while the sum is 34.
The spelling of 20265225127 in words is "twenty billion, two hundred sixty-five million, two hundred twenty-five thousand, one hundred twenty-seven".
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