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238009052161 = 1914984072431
BaseRepresentation
bin1101110110101001110…
…0011110110000000001
3211202100021000121000001
43131222130132300001
512344420304132121
6301201224000001
723124041364106
oct3355234366001
9752307017001
10238009052161
1191a369a5701
123a164900001
13195a0a7669a
14b73c0acaad
1562d0285991
hex376a71ec01

238009052161 has 8 divisors (see below), whose sum is σ = 252217296000. Its totient is φ = 223968953520.

The previous prime is 238009052137. The next prime is 238009052173. The reversal of 238009052161 is 161250900832.

238009052161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 238009052161 - 27 = 238009052033 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 238009052161.

It is not an unprimeable number, because it can be changed into a prime (238009052761) 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 7 ways as a sum of consecutive naturals, for example, 42033385 + ... + 42039046.

It is an arithmetic number, because the mean of its divisors is an integer number (31527162000).

Almost surely, 2238009052161 is an apocalyptic number.

It is an amenable number.

238009052161 is a deficient number, since it is larger than the sum of its proper divisors (14208243839).

238009052161 is a wasteful number, since it uses less digits than its factorization.

238009052161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84072599.

The product of its (nonzero) digits is 25920, while the sum is 37.

Adding to 238009052161 its reverse (161250900832), we get a palindrome (399259952993).

The spelling of 238009052161 in words is "two hundred thirty-eight billion, nine million, fifty-two thousand, one hundred sixty-one".

Divisors: 1 19 149 2831 84072431 1597376189 12526792219 238009052161