Search a number
-
+
6569994941 = 34737949957
BaseRepresentation
bin1100001111001101…
…00010101010111101
3121221212121022201222
412013212202222331
5101423404314231
63003533443125
7321545015126
oct60746425275
917855538658
106569994941
112871655494
1213343404a5
138091ba293
144647c504d
15286bca27b
hex1879a2abd

6569994941 has 8 divisors (see below), whose sum is σ = 6606445920. Its totient is φ = 6533645328.

The previous prime is 6569994901. The next prime is 6569994953. The reversal of 6569994941 is 1494999656.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-6569994941 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6569994901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106535 + ... + 156491.

It is an arithmetic number, because the mean of its divisors is an integer number (825805740).

Almost surely, 26569994941 is an apocalyptic number.

It is an amenable number.

6569994941 is a deficient number, since it is larger than the sum of its proper divisors (36450979).

6569994941 is a wasteful number, since it uses less digits than its factorization.

6569994941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50683.

The product of its digits is 18895680, while the sum is 62.

The square root of 6569994941 is about 81055.5053096333. The cubic root of 6569994941 is about 1872.9305704849.

The spelling of 6569994941 in words is "six billion, five hundred sixty-nine million, nine hundred ninety-four thousand, nine hundred forty-one".

Divisors: 1 347 379 49957 131513 17335079 18933703 6569994941