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6934520871 = 323720824387
BaseRepresentation
bin1100111010101010…
…00110010000100111
3122220021112011022100
412131111012100213
5103200214131441
63104034503143
7333562312005
oct63525062047
918807464270
106934520871
112a393a1193
121416434ab3
1386688b0b5
1449ad93a75
152a8bd2cb6
hex19d546427

6934520871 has 12 divisors (see below), whose sum is σ = 10287247672. Its totient is φ = 4498067376.

The previous prime is 6934520869. The next prime is 6934520893. The reversal of 6934520871 is 1780254396.

6934520871 is digitally balanced in base 10, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6934520871 - 21 = 6934520869 is a prime.

It is a Duffinian number.

6934520871 is strictly pandigital in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6934520471) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10411861 + ... + 10412526.

It is a 1-persistent number, because it is pandigital, but 2⋅6934520871 = 13869041742 is not.

Almost surely, 26934520871 is an apocalyptic number.

6934520871 is a deficient number, since it is larger than the sum of its proper divisors (3352726801).

6934520871 is a wasteful number, since it uses less digits than its factorization.

6934520871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20824430 (or 20824427 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 6934520871 is about 83273.7706063560. The cubic root of 6934520871 is about 1906.9478652326.

The spelling of 6934520871 in words is "six billion, nine hundred thirty-four million, five hundred twenty thousand, eight hundred seventy-one".

Divisors: 1 3 9 37 111 333 20824387 62473161 187419483 770502319 2311506957 6934520871