Base | Representation |
---|---|
bin | 1101010011110000… |
… | …00100010011111011 |
3 | 200102221121100022112 |
4 | 12221320010103323 |
5 | 104113110431043 |
6 | 3140554242535 |
7 | 342026423063 |
oct | 65170042373 |
9 | 20387540275 |
10 | 7145014523 |
11 | 30371a1189 |
12 | 1474a2644b |
13 | 89b37a85a |
14 | 4bad083a3 |
15 | 2bc411518 |
hex | 1a9e044fb |
7145014523 has 4 divisors (see below), whose sum is σ = 7182423168. Its totient is φ = 7107605880.
The previous prime is 7145014501. The next prime is 7145014627. The reversal of 7145014523 is 3254105417.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-7145014523 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 7145014523.
It is not an unprimeable number, because it can be changed into a prime (7145044523) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18704036 + ... + 18704417.
It is an arithmetic number, because the mean of its divisors is an integer number (1795605792).
Almost surely, 27145014523 is an apocalyptic number.
7145014523 is a deficient number, since it is larger than the sum of its proper divisors (37408645).
7145014523 is a wasteful number, since it uses less digits than its factorization.
7145014523 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 37408644.
The product of its (nonzero) digits is 16800, while the sum is 32.
The square root of 7145014523 is about 84528.1877423147. The cubic root of 7145014523 is about 1926.0506569457.
The spelling of 7145014523 in words is "seven billion, one hundred forty-five million, fourteen thousand, five hundred twenty-three".
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