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6870545151 = 32290181717
BaseRepresentation
bin1100110011000010…
…00011001011111111
3122201211010212010020
412121201003023333
5103032324421101
63053431343223
7332154445611
oct63141031377
918654125106
106870545151
112a06275298
1213b8b21b13
1385654b642
1449269cdb1
152a3297136
hex1998432ff

6870545151 has 4 divisors (see below), whose sum is σ = 9160726872. Its totient is φ = 4580363432.

The previous prime is 6870545147. The next prime is 6870545173. The reversal of 6870545151 is 1515450786.

6870545151 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.

It is a cyclic number.

It is not a de Polignac number, because 6870545151 - 22 = 6870545147 is a prime.

It is a super-2 number, since 2×68705451512 = 94408781343859225602, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6870545051) 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, 1145090856 + ... + 1145090861.

It is an arithmetic number, because the mean of its divisors is an integer number (2290181718).

Almost surely, 26870545151 is an apocalyptic number.

6870545151 is a deficient number, since it is larger than the sum of its proper divisors (2290181721).

6870545151 is a wasteful number, since it uses less digits than its factorization.

6870545151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2290181720.

The product of its (nonzero) digits is 168000, while the sum is 42.

The square root of 6870545151 is about 82888.7516554568. The cubic root of 6870545151 is about 1901.0654366948.

The spelling of 6870545151 in words is "six billion, eight hundred seventy million, five hundred forty-five thousand, one hundred fifty-one".

Divisors: 1 3 2290181717 6870545151