Base | Representation |
---|---|
bin | 101010100001110… |
… | …0111101110101101 |
3 | 10200110011202011202 |
4 | 1111003213232231 |
5 | 10410303400100 |
6 | 353333455245 |
7 | 50235256241 |
oct | 12503475655 |
9 | 3613152152 |
10 | 1427012525 |
11 | 6725696a4 |
12 | 339aa1525 |
13 | 199848a13 |
14 | d7744421 |
15 | 8542d7d5 |
hex | 550e7bad |
1427012525 has 6 divisors (see below), whose sum is σ = 1769495562. Its totient is φ = 1141610000.
The previous prime is 1427012473. The next prime is 1427012533. The reversal of 1427012525 is 5252107241.
It is a happy number.
It can be written as a sum of positive squares in 3 ways, for example, as 13402921 + 1413609604 = 3661^2 + 37598^2 .
It is a de Polignac number, because none of the positive numbers 2k-1427012525 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a nialpdrome in base 14.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28540226 + ... + 28540275.
It is an arithmetic number, because the mean of its divisors is an integer number (294915927).
Almost surely, 21427012525 is an apocalyptic number.
It is an amenable number.
1427012525 is a deficient number, since it is larger than the sum of its proper divisors (342483037).
1427012525 is an equidigital number, since it uses as much as digits as its factorization.
1427012525 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 57080511 (or 57080506 counting only the distinct ones).
The product of its (nonzero) digits is 5600, while the sum is 29.
The square root of 1427012525 is about 37775.8193160651. The cubic root of 1427012525 is about 1125.8380652428.
Adding to 1427012525 its reverse (5252107241), we get a palindrome (6679119766).
The spelling of 1427012525 in words is "one billion, four hundred twenty-seven million, twelve thousand, five hundred twenty-five".
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