Base | Representation |
---|---|
bin | 1001111101101010… |
… | …10110111001000111 |
3 | 111210210100120110121 |
4 | 10332311112321013 |
5 | 41423340021322 |
6 | 2242442402411 |
7 | 246361646302 |
oct | 47665267107 |
9 | 14723316417 |
10 | 5349142087 |
11 | 22a54a6693 |
12 | 1053500407 |
13 | 6732a4443 |
14 | 38a5c7b39 |
15 | 214920ec7 |
hex | 13ed56e47 |
5349142087 has 4 divisors (see below), whose sum is σ = 5422418080. Its totient is φ = 5275866096.
The previous prime is 5349142063. The next prime is 5349142109. The reversal of 5349142087 is 7802419435.
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-5349142087 is a prime.
It is a super-2 number, since 2×53491420872 = 57226642133829431138, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (5349142037) 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, 36637887 + ... + 36638032.
It is an arithmetic number, because the mean of its divisors is an integer number (1355604520).
Almost surely, 25349142087 is an apocalyptic number.
5349142087 is a deficient number, since it is larger than the sum of its proper divisors (73275993).
5349142087 is an equidigital number, since it uses as much as digits as its factorization.
5349142087 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 73275992.
The product of its (nonzero) digits is 241920, while the sum is 43.
The square root of 5349142087 is about 73137.8293839788. The cubic root of 5349142087 is about 1748.8855039294.
The spelling of 5349142087 in words is "five billion, three hundred forty-nine million, one hundred forty-two thousand, eighty-seven".
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