Base | Representation |
---|---|
bin | 100101110110100… |
… | …0011010010000101 |
3 | 10021111220211012102 |
4 | 1023231003102011 |
5 | 10100121214000 |
6 | 330010401445 |
7 | 43321452506 |
oct | 11355032205 |
9 | 3244824172 |
10 | 1270101125 |
11 | 5a1a36857 |
12 | 2b5430285 |
13 | 17319a037 |
14 | c097abad |
15 | 767863d5 |
hex | 4bb43485 |
1270101125 has 16 divisors (see below), whose sum is σ = 1594275696. Its totient is φ = 1010190400.
The previous prime is 1270101121. The next prime is 1270101143. The reversal of 1270101125 is 5211010721.
It is a happy number.
It can be written as a sum of positive squares in 8 ways, for example, as 889249 + 1269211876 = 943^2 + 35626^2 .
It is not a de Polignac number, because 1270101125 - 22 = 1270101121 is a prime.
It is a super-2 number, since 2×12701011252 = 3226313735452531250, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1270101097 and 1270101106.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1270101121) 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, 7742 + ... + 50991.
It is an arithmetic number, because the mean of its divisors is an integer number (99642231).
Almost surely, 21270101125 is an apocalyptic number.
It is an amenable number.
1270101125 is a deficient number, since it is larger than the sum of its proper divisors (324174571).
1270101125 is an equidigital number, since it uses as much as digits as its factorization.
1270101125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 58921 (or 58911 counting only the distinct ones).
The product of its (nonzero) digits is 140, while the sum is 20.
The square root of 1270101125 is about 35638.4781521321. The cubic root of 1270101125 is about 1082.9608752481.
Adding to 1270101125 its reverse (5211010721), we get a palindrome (6481111846).
The spelling of 1270101125 in words is "one billion, two hundred seventy million, one hundred one thousand, one hundred twenty-five".
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