Base | Representation |
---|---|
bin | 100101110110011… |
… | …0000111111110001 |
3 | 10021111210000110100 |
4 | 1023230300333301 |
5 | 10100111314400 |
6 | 330005023013 |
7 | 43321021236 |
oct | 11354607761 |
9 | 3244700410 |
10 | 1270026225 |
11 | 5a1995556 |
12 | 2b53b4a69 |
13 | 173171c10 |
14 | c095b78d |
15 | 7676e100 |
hex | 4bb30ff1 |
1270026225 has 72 divisors (see below), whose sum is σ = 2593943352. Its totient is φ = 588441600.
The previous prime is 1270026193. The next prime is 1270026229. The reversal of 1270026225 is 5226200721.
It can be written as a sum of positive squares in 12 ways, for example, as 414814689 + 855211536 = 20367^2 + 29244^2 .
It is not a de Polignac number, because 1270026225 - 25 = 1270026193 is a prime.
It is a super-2 number, since 2×12700262252 = 3225933224375501250, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1270026229) by changing a digit.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 36955 + ... + 62495.
It is an arithmetic number, because the mean of its divisors is an integer number (36026991).
Almost surely, 21270026225 is an apocalyptic number.
1270026225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1270026225 is an abundant number, since it is smaller than the sum of its proper divisors (1323917127).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1270026225 is a wasteful number, since it uses less digits than its factorization.
1270026225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25587 (or 25579 counting only the distinct ones).
The product of its (nonzero) digits is 3360, while the sum is 27.
The square root of 1270026225 is about 35637.4273061342. The cubic root of 1270026225 is about 1082.9395868214.
Adding to 1270026225 its reverse (5226200721), we get a palindrome (6496226946).
The spelling of 1270026225 in words is "one billion, two hundred seventy million, twenty-six thousand, two hundred twenty-five".
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