Base | Representation |
---|---|
bin | 1101110010001010… |
… | …00100011110100111 |
3 | 201002201120002011220 |
4 | 12321011010132213 |
5 | 110123410100234 |
6 | 3222145231423 |
7 | 351244440051 |
oct | 67105043647 |
9 | 21081502156 |
10 | 7400081319 |
11 | 3158175694 |
12 | 1526332573 |
13 | 90c175557 |
14 | 502b428d1 |
15 | 2d49e6a49 |
hex | 1b91447a7 |
7400081319 has 4 divisors (see below), whose sum is σ = 9866775096. Its totient is φ = 4933387544.
The previous prime is 7400081261. The next prime is 7400081323. The reversal of 7400081319 is 9131800047.
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-7400081319 is a prime.
It is a super-2 number, since 2×74000813192 (a number of 21 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 7400081319.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7400081399) 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, 1233346884 + ... + 1233346889.
It is an arithmetic number, because the mean of its divisors is an integer number (2466693774).
Almost surely, 27400081319 is an apocalyptic number.
7400081319 is a deficient number, since it is larger than the sum of its proper divisors (2466693777).
7400081319 is a wasteful number, since it uses less digits than its factorization.
7400081319 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2466693776.
The product of its (nonzero) digits is 6048, while the sum is 33.
The square root of 7400081319 is about 86023.7253262145. The cubic root of 7400081319 is about 1948.7022984540.
The spelling of 7400081319 in words is "seven billion, four hundred million, eighty-one thousand, three hundred nineteen".
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