Search a number
-
+
6989560704 = 273275192
BaseRepresentation
bin1101000001001110…
…00011101110000000
3200001010002110202200
412200213003232000
5103303311420304
63113322313200
7335131200000
oct64047035600
920033073680
106989560704
112a67474455
121430958800
138750bc449
144a4400000
152ad955e39
hex1a09c3b80

6989560704 has 432 divisors, whose sum is σ = 24765198120. Its totient is φ = 1891911168.

The previous prime is 6989560703. The next prime is 6989560709. The reversal of 6989560704 is 4070659896.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

6989560704 is a `hidden beast` number, since 6 + 9 + 8 + 9 + 560 + 70 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6989560703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 367871607 + ... + 367871625.

Almost surely, 26989560704 is an apocalyptic number.

6989560704 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6989560704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12382599060).

6989560704 is an abundant number, since it is smaller than the sum of its proper divisors (17775637416).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6989560704 is an frugal number, since it uses more digits than its factorization.

6989560704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93 (or 31 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 54.

The square root of 6989560704 is about 83603.5926500769. The cubic root of 6989560704 is about 1911.9797737162.

The spelling of 6989560704 in words is "six billion, nine hundred eighty-nine million, five hundred sixty thousand, seven hundred four".