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6864926473 = 22513049723
BaseRepresentation
bin1100110010010111…
…00111011100001001
3122201102120101202001
412121023213130021
5103024410121343
63053111111001
7332055624616
oct63113473411
918642511661
106864926473
112a03087959
1213b7072461
13855332092
14491a3950d
152a2a3744d
hex1992e7709

6864926473 has 4 divisors (see below), whose sum is σ = 6867978448. Its totient is φ = 6861874500.

The previous prime is 6864926447. The next prime is 6864926503. The reversal of 6864926473 is 3746294686.

6864926473 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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: 3746294686 = 21873147343.

It is a cyclic number.

It is not a de Polignac number, because 6864926473 - 25 = 6864926441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6864926443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1522611 + ... + 1527112.

It is an arithmetic number, because the mean of its divisors is an integer number (1716994612).

Almost surely, 26864926473 is an apocalyptic number.

It is an amenable number.

6864926473 is a deficient number, since it is larger than the sum of its proper divisors (3051975).

6864926473 is a wasteful number, since it uses less digits than its factorization.

6864926473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3051974.

The product of its digits is 10450944, while the sum is 55.

The square root of 6864926473 is about 82854.8518374150. The cubic root of 6864926473 is about 1900.5470698900.

The spelling of 6864926473 in words is "six billion, eight hundred sixty-four million, nine hundred twenty-six thousand, four hundred seventy-three".

Divisors: 1 2251 3049723 6864926473