Search a number
-
+
6945401741 = 13949966919
BaseRepresentation
bin1100111011111101…
…00110101110001101
3122221000222222001112
412131332212232031
5103211010323431
63105104021405
7334053640445
oct63576465615
918830888045
106945401741
112a44553143
12141a001865
13868bca895
1449c5c7125
152a9b31c2b
hex19dfa6b8d

6945401741 has 4 divisors (see below), whose sum is σ = 6995368800. Its totient is φ = 6895434684.

The previous prime is 6945401699. The next prime is 6945401791. The reversal of 6945401741 is 1471045496.

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.

It is a cyclic number.

It is not a de Polignac number, because 6945401741 - 230 = 5871659917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6945401791) 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, 24983321 + ... + 24983598.

It is an arithmetic number, because the mean of its divisors is an integer number (1748842200).

Almost surely, 26945401741 is an apocalyptic number.

It is an amenable number.

6945401741 is a deficient number, since it is larger than the sum of its proper divisors (49967059).

6945401741 is a wasteful number, since it uses less digits than its factorization.

6945401741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49967058.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 6945401741 is about 83339.0769147343. The cubic root of 6945401741 is about 1907.9447333744.

The spelling of 6945401741 in words is "six billion, nine hundred forty-five million, four hundred one thousand, seven hundred forty-one".

Divisors: 1 139 49966919 6945401741