Base | Representation |
---|---|
bin | 100000001000011… |
… | …0110111010000001 |
3 | 2210010202020212211 |
4 | 1000100312322001 |
5 | 4202002123100 |
6 | 254552422121 |
7 | 35501134414 |
oct | 10020667201 |
9 | 2703666784 |
10 | 1078161025 |
11 | 503659377 |
12 | 2610a7941 |
13 | 1424a5506 |
14 | a3295b7b |
15 | 649c01ba |
hex | 40436e81 |
1078161025 has 6 divisors (see below), whose sum is σ = 1336919702. Its totient is φ = 862528800.
The previous prime is 1078161013. The next prime is 1078161037. The reversal of 1078161025 is 5201618701.
It is an interprime number because it is at equal distance from previous prime (1078161013) and next prime (1078161037).
It can be written as a sum of positive squares in 3 ways, for example, as 126315121 + 951845904 = 11239^2 + 30852^2 .
It is not a de Polignac number, because 1078161025 - 213 = 1078152833 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21563196 + ... + 21563245.
Almost surely, 21078161025 is an apocalyptic number.
It is an amenable number.
1078161025 is a deficient number, since it is larger than the sum of its proper divisors (258758677).
1078161025 is an equidigital number, since it uses as much as digits as its factorization.
1078161025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 43126451 (or 43126446 counting only the distinct ones).
The product of its (nonzero) digits is 3360, while the sum is 31.
The square root of 1078161025 is about 32835.3624161513. The cubic root of 1078161025 is about 1025.4029032771.
Adding to 1078161025 its reverse (5201618701), we get a palindrome (6279779726).
The spelling of 1078161025 in words is "one billion, seventy-eight million, one hundred sixty-one thousand, twenty-five".
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