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670150081 = 17227173659
BaseRepresentation
bin100111111100011…
…010110111000001
31201201000011002101
4213330122313001
52333024300311
6150255350401
722415116216
oct4774326701
91651004071
10670150081
11314311747
12168522401
13a8aba813
1465007b0d
153dc77ec1
hex27f1adc1

670150081 has 8 divisors (see below), whose sum is σ = 712700640. Its totient is φ = 627947328.

The previous prime is 670150027. The next prime is 670150099. The reversal of 670150081 is 180051076.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 670150081 - 219 = 669625793 is a prime.

It is a super-2 number, since 2×6701500812 = 898202262128613122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (670159081) 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 7 ways as a sum of consecutive naturals, for example, 82971 + ... + 90688.

It is an arithmetic number, because the mean of its divisors is an integer number (89087580).

Almost surely, 2670150081 is an apocalyptic number.

It is an amenable number.

670150081 is a deficient number, since it is larger than the sum of its proper divisors (42550559).

670150081 is a wasteful number, since it uses less digits than its factorization.

670150081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173903.

The product of its (nonzero) digits is 1680, while the sum is 28.

The square root of 670150081 is about 25887.2571161952. The cubic root of 670150081 is about 875.0993437137.

The spelling of 670150081 in words is "six hundred seventy million, one hundred fifty thousand, eighty-one".

Divisors: 1 17 227 3859 173659 2952203 39420593 670150081