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6929840041 = 19735176853
BaseRepresentation
bin1100111010000110…
…01111011110101001
3122212221201100102021
412131003033132221
5103143014340131
63103350304441
7333504445165
oct63503173651
918787640367
106929840041
112a36794433
121414958121
1386590c687
1449a4d5ca5
152a85aae11
hex19d0cf7a9

6929840041 has 4 divisors (see below), whose sum is σ = 6965017092. Its totient is φ = 6894662992.

The previous prime is 6929839979. The next prime is 6929840063. The reversal of 6929840041 is 1400489296.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6849217600 + 80622441 = 82760^2 + 8979^2 .

It is a cyclic number.

It is not a de Polignac number, because 6929840041 - 215 = 6929807273 is a prime.

It is a super-4 number, since 4×69298400414 (a number of 40 digits) contains 4444 as substring.

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 6929840041.

It is not an unprimeable number, because it can be changed into a prime (6929840081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17588230 + ... + 17588623.

It is an arithmetic number, because the mean of its divisors is an integer number (1741254273).

Almost surely, 26929840041 is an apocalyptic number.

It is an amenable number.

6929840041 is a deficient number, since it is larger than the sum of its proper divisors (35177051).

6929840041 is a wasteful number, since it uses less digits than its factorization.

6929840041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35177050.

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 6929840041 is about 83245.6607938216. The cubic root of 6929840041 is about 1906.5187027819.

The spelling of 6929840041 in words is "six billion, nine hundred twenty-nine million, eight hundred forty thousand, forty-one".

Divisors: 1 197 35176853 6929840041