Search a number
-
+
389844070193 = 1764679354551
BaseRepresentation
bin1011010110001001000…
…01000110111100110001
31101021020220101200101102
411223010201012330301
522341400040221233
6455031503214145
740110461631134
oct5530441067461
91337226350342
10389844070193
111403718a5a86
1263679ba7355
132a9ba556c16
1414c2345021b
15a219ed91e8
hex5ac4846f31

389844070193 has 8 divisors (see below), whose sum is σ = 412783620480. Its totient is φ = 366905358400.

The previous prime is 389844070151. The next prime is 389844070199. The reversal of 389844070193 is 391070448983.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-389844070193 is a prime.

It is a super-2 number, since 2×3898440701932 (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (389844070199) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 922268 + ... + 1276818.

It is an arithmetic number, because the mean of its divisors is an integer number (51597952560).

Almost surely, 2389844070193 is an apocalyptic number.

It is an amenable number.

389844070193 is a deficient number, since it is larger than the sum of its proper divisors (22939550287).

389844070193 is a wasteful number, since it uses less digits than its factorization.

389844070193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419247.

The product of its (nonzero) digits is 5225472, while the sum is 56.

The spelling of 389844070193 in words is "three hundred eighty-nine billion, eight hundred forty-four million, seventy thousand, one hundred ninety-three".

Divisors: 1 17 64679 354551 1099543 6027367 22932004129 389844070193