Base | Representation |
---|---|
bin | 1101010011000110… |
… | …01010010100001001 |
3 | 200102120021220120111 |
4 | 12221203022110021 |
5 | 104110210042324 |
6 | 3140240554321 |
7 | 341632016122 |
oct | 65143122411 |
9 | 20376256514 |
10 | 7139534089 |
11 | 30340986a6 |
12 | 14730229a1 |
13 | 89a1ac1ac |
14 | 4ba2bd049 |
15 | 2bbbcc794 |
hex | 1a98ca509 |
7139534089 has 4 divisors (see below), whose sum is σ = 7225552656. Its totient is φ = 7053515524.
The previous prime is 7139534033. The next prime is 7139534119. The reversal of 7139534089 is 9804359317.
7139534089 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
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: 9804359317 = 353 ⋅27774389.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-7139534089 is a prime.
It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (7139534189) 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, 43009159 + ... + 43009324.
It is an arithmetic number, because the mean of its divisors is an integer number (1806388164).
Almost surely, 27139534089 is an apocalyptic number.
It is an amenable number.
7139534089 is a deficient number, since it is larger than the sum of its proper divisors (86018567).
7139534089 is an equidigital number, since it uses as much as digits as its factorization.
7139534089 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 86018566.
The product of its (nonzero) digits is 816480, while the sum is 49.
The square root of 7139534089 is about 84495.7637340476. The cubic root of 7139534089 is about 1925.5580853566.
The spelling of 7139534089 in words is "seven billion, one hundred thirty-nine million, five hundred thirty-four thousand, eighty-nine".
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