Search a number
-
+
379068754489 = 2729913885811
BaseRepresentation
bin1011000010000100100…
…00100010101000111001
31100020102221201221001121
411201002100202220321
522202313100120424
6450050342545241
736246451151425
oct5410220425071
91306387657047
10379068754489
1113684247a897
1261571438221
132999104a179
14144c0349b85
159cd902cee4
hex5842422a39

379068754489 has 4 divisors (see below), whose sum is σ = 379082667600. Its totient is φ = 379054841380.

The previous prime is 379068754453. The next prime is 379068754513. The reversal of 379068754489 is 984457860973.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 984457860973 = 1994947024427.

It is a cyclic number.

It is not a de Polignac number, because 379068754489 - 211 = 379068752441 is a prime.

It is a super-2 number, since 2×3790687544892 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (379068754429) 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, 6915607 + ... + 6970204.

It is an arithmetic number, because the mean of its divisors is an integer number (94770666900).

Almost surely, 2379068754489 is an apocalyptic number.

It is an amenable number.

379068754489 is a deficient number, since it is larger than the sum of its proper divisors (13913111).

379068754489 is a wasteful number, since it uses less digits than its factorization.

379068754489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13913110.

The product of its (nonzero) digits is 365783040, while the sum is 70.

The spelling of 379068754489 in words is "three hundred seventy-nine billion, sixty-eight million, seven hundred fifty-four thousand, four hundred eighty-nine".

Divisors: 1 27299 13885811 379068754489