Base | Representation |
---|---|
bin | 100000001000010… |
… | …0000011100010101 |
3 | 2210010120120122222 |
4 | 1000100200130111 |
5 | 4201441202023 |
6 | 254550432125 |
7 | 35500302230 |
oct | 10020403425 |
9 | 2703516588 |
10 | 1078069013 |
11 | 5035a622a |
12 | 261062645 |
13 | 142472678 |
14 | a3270417 |
15 | 649a2cc8 |
hex | 40420715 |
1078069013 has 4 divisors (see below), whose sum is σ = 1232078880. Its totient is φ = 924059148.
The previous prime is 1078069009. The next prime is 1078069021. The reversal of 1078069013 is 3109608701.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3109608701 = 131 ⋅23737471.
It is a cyclic number.
It is not a de Polignac number, because 1078069013 - 22 = 1078069009 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1678069013) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77004923 + ... + 77004936.
It is an arithmetic number, because the mean of its divisors is an integer number (308019720).
Almost surely, 21078069013 is an apocalyptic number.
It is an amenable number.
1078069013 is a deficient number, since it is larger than the sum of its proper divisors (154009867).
1078069013 is an equidigital number, since it uses as much as digits as its factorization.
1078069013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 154009866.
The product of its (nonzero) digits is 9072, while the sum is 35.
The square root of 1078069013 is about 32833.9612748751. The cubic root of 1078069013 is about 1025.3737326017.
The spelling of 1078069013 in words is "one billion, seventy-eight million, sixty-nine thousand, thirteen".
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