Search a number
-
+
386996698289 = 3491108873061
BaseRepresentation
bin1011010000110101100…
…11001111110010110001
31100222220110120012102202
411220122303033302301
522320032123321124
6453441150152545
736650065442255
oct5503263176261
91328813505382
10386996698289
1113a140602363
12630044b2755
132a655681886
1414a33218265
15a1000435ae
hex5a1accfcb1

386996698289 has 4 divisors (see below), whose sum is σ = 388105571700. Its totient is φ = 385887824880.

The previous prime is 386996698267. The next prime is 386996698303. The reversal of 386996698289 is 982896699683.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 247389848689 + 139606849600 = 497383^2 + 373640^2 .

It is a cyclic number.

It is not a de Polignac number, because 386996698289 - 212 = 386996694193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (386996698259) 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, 554436182 + ... + 554436879.

It is an arithmetic number, because the mean of its divisors is an integer number (97026392925).

Almost surely, 2386996698289 is an apocalyptic number.

It is an amenable number.

386996698289 is a deficient number, since it is larger than the sum of its proper divisors (1108873411).

386996698289 is a wasteful number, since it uses less digits than its factorization.

386996698289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1108873410.

The product of its digits is 4353564672, while the sum is 83.

The spelling of 386996698289 in words is "three hundred eighty-six billion, nine hundred ninety-six million, six hundred ninety-eight thousand, two hundred eighty-nine".

Divisors: 1 349 1108873061 386996698289