Base | Representation |
---|---|
bin | 1101010100100001… |
… | …00010100110111001 |
3 | 200110101200021210111 |
4 | 12222100202212321 |
5 | 104121231230243 |
6 | 3141343544321 |
7 | 342135103234 |
oct | 65220424671 |
9 | 20411607714 |
10 | 7151430073 |
11 | 303a883297 |
12 | 1476bbb0a1 |
13 | 89c7b5a38 |
14 | 4bbad841b |
15 | 2bcc7c39d |
hex | 1aa4229b9 |
7151430073 has 4 divisors (see below), whose sum is σ = 7398031140. Its totient is φ = 6904829008.
The previous prime is 7151430067. The next prime is 7151430101. The reversal of 7151430073 is 3700341517.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3700341517 = 107 ⋅34582631.
It can be written as a sum of positive squares in 2 ways, for example, as 4229811369 + 2921618704 = 65037^2 + 54052^2 .
It is not a de Polignac number, because 7151430073 - 29 = 7151429561 is a prime.
It is a super-2 number, since 2×71514300732 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (7151430053) 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, 123300490 + ... + 123300547.
It is an arithmetic number, because the mean of its divisors is an integer number (1849507785).
Almost surely, 27151430073 is an apocalyptic number.
It is an amenable number.
7151430073 is a deficient number, since it is larger than the sum of its proper divisors (246601067).
7151430073 is a wasteful number, since it uses less digits than its factorization.
7151430073 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 246601066.
The product of its (nonzero) digits is 8820, while the sum is 31.
The square root of 7151430073 is about 84566.1284025703. The cubic root of 7151430073 is about 1926.6269551799.
The spelling of 7151430073 in words is "seven billion, one hundred fifty-one million, four hundred thirty thousand, seventy-three".
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