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6870711457 = 20533346669
BaseRepresentation
bin1100110011000011…
…01011110010100001
3122201211110022020201
412121201223302201
5103032400231312
63053435105201
7332156040511
oct63141536241
918654408221
106870711457
112a06379235
1213b8ba2201
138565a924c
14492703841
152a32cb557
hex19986bca1

6870711457 has 4 divisors (see below), whose sum is σ = 6874060180. Its totient is φ = 6867362736.

The previous prime is 6870711451. The next prime is 6870711461. The reversal of 6870711457 is 7541170786.

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 2619801856 + 4250909601 = 51184^2 + 65199^2 .

It is a cyclic number.

It is not a de Polignac number, because 6870711457 - 27 = 6870711329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6870711451) 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, 1671282 + ... + 1675387.

It is an arithmetic number, because the mean of its divisors is an integer number (1718515045).

Almost surely, 26870711457 is an apocalyptic number.

It is an amenable number.

6870711457 is a deficient number, since it is larger than the sum of its proper divisors (3348723).

6870711457 is a wasteful number, since it uses less digits than its factorization.

6870711457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3348722.

The product of its (nonzero) digits is 329280, while the sum is 46.

The square root of 6870711457 is about 82889.7548373742. The cubic root of 6870711457 is about 1901.0807754116.

The spelling of 6870711457 in words is "six billion, eight hundred seventy million, seven hundred eleven thousand, four hundred fifty-seven".

Divisors: 1 2053 3346669 6870711457