Base | Representation |
---|---|
bin | 1101111000111010111… |
… | …0100001000110001001 |
3 | 211210220200102011100220 |
4 | 3132032232201012021 |
5 | 12402142121311022 |
6 | 301341450420253 |
7 | 23145112331661 |
oct | 3361656410611 |
9 | 753820364326 |
10 | 238617760137 |
11 | 92219560a49 |
12 | 3a2b4731689 |
13 | 19669c00a13 |
14 | b798c811a1 |
15 | 631892385c |
hex | 378eba1189 |
238617760137 has 4 divisors (see below), whose sum is σ = 318157013520. Its totient is φ = 159078506756.
The previous prime is 238617760109. The next prime is 238617760141. The reversal of 238617760137 is 731067716832.
238617760137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 238617760137 - 220 = 238616711561 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 238617760137.
It is not an unprimeable number, because it can be changed into a prime (238617764137) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39769626687 + ... + 39769626692.
It is an arithmetic number, because the mean of its divisors is an integer number (79539253380).
Almost surely, 2238617760137 is an apocalyptic number.
It is an amenable number.
238617760137 is a deficient number, since it is larger than the sum of its proper divisors (79539253383).
238617760137 is an equidigital number, since it uses as much as digits as its factorization.
238617760137 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 79539253382.
The product of its (nonzero) digits is 1778112, while the sum is 51.
The spelling of 238617760137 in words is "two hundred thirty-eight billion, six hundred seventeen million, seven hundred sixty thousand, one hundred thirty-seven".
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