Search a number
-
+
389154069199 = 755593438457
BaseRepresentation
bin1011010100110110110…
…00111101101011001111
31101012110211000222222001
411222123120331223033
522333441420203244
6454435214133131
740054413003340
oct5523330755317
91335424028861
10389154069199
11140048366025
1263506ab11a7
132a90a608acc
1414b9995a0c7
15a1c963e5d4
hex5a9b63dacf

389154069199 has 4 divisors (see below), whose sum is σ = 444747507664. Its totient is φ = 333560630736.

The previous prime is 389154069193. The next prime is 389154069217. The reversal of 389154069199 is 991960451983.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 991960451983 = 2934205532827.

It is a cyclic number.

It is not a de Polignac number, because 389154069199 - 23 = 389154069191 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 389154069199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389154069191) 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, 27796719222 + ... + 27796719235.

It is an arithmetic number, because the mean of its divisors is an integer number (111186876916).

Almost surely, 2389154069199 is an apocalyptic number.

389154069199 is a deficient number, since it is larger than the sum of its proper divisors (55593438465).

389154069199 is an equidigital number, since it uses as much as digits as its factorization.

389154069199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55593438464.

The product of its (nonzero) digits is 18895680, while the sum is 64.

The spelling of 389154069199 in words is "three hundred eighty-nine billion, one hundred fifty-four million, sixty-nine thousand, one hundred ninety-nine".

Divisors: 1 7 55593438457 389154069199