Base | Representation |
---|---|
bin | 1101110111001000110… |
… | …0011101011001011111 |
3 | 211202200022200012000022 |
4 | 3131302030131121133 |
5 | 12400202100220142 |
6 | 301222150422355 |
7 | 23130210461024 |
oct | 3356214353137 |
9 | 752608605008 |
10 | 238139070047 |
11 | 91aa3329aaa |
12 | 3a1a03619bb |
13 | 195c199a348 |
14 | b75147554b |
15 | 62db8b96d2 |
hex | 377231d65f |
238139070047 has 6 divisors (see below), whose sum is σ = 252971261568. Its totient is φ = 224130889184.
The previous prime is 238139069989. The next prime is 238139070083. The reversal of 238139070047 is 740070931832.
It is not a de Polignac number, because 238139070047 - 218 = 238138807903 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (238139072047) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 412005023 + ... + 412005600.
It is an arithmetic number, because the mean of its divisors is an integer number (42161876928).
Almost surely, 2238139070047 is an apocalyptic number.
238139070047 is a deficient number, since it is larger than the sum of its proper divisors (14832191521).
238139070047 is an equidigital number, since it uses as much as digits as its factorization.
238139070047 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 824010657 (or 824010640 counting only the distinct ones).
The product of its (nonzero) digits is 254016, while the sum is 44.
The spelling of 238139070047 in words is "two hundred thirty-eight billion, one hundred thirty-nine million, seventy thousand, forty-seven".
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