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670866113 = 6417011493
BaseRepresentation
bin100111111111001…
…001101011000001
31201202100112022002
4213333021223001
52333220203423
6150322553345
722424160611
oct4777115301
91652315262
10670866113
11314760705
12168808855
13a8cab6c8
1465152a41
153dd6a228
hex27fc9ac1

670866113 has 8 divisors (see below), whose sum is σ = 673321896. Its totient is φ = 668416000.

The previous prime is 670866107. The next prime is 670866127. The reversal of 670866113 is 311668076.

It can be written as a sum of positive squares in 4 ways, for example, as 498941569 + 171924544 = 22337^2 + 13112^2 .

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 670866113 - 210 = 670865089 is a prime.

It is a super-2 number, since 2×6708661132 = 900122683143457538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (670866143) 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, 448595 + ... + 450087.

It is an arithmetic number, because the mean of its divisors is an integer number (84165237).

Almost surely, 2670866113 is an apocalyptic number.

It is an amenable number.

670866113 is a deficient number, since it is larger than the sum of its proper divisors (2455783).

670866113 is a wasteful number, since it uses less digits than its factorization.

670866113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2835.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 670866113 is about 25901.0832398956. The cubic root of 670866113 is about 875.4109038239.

The spelling of 670866113 in words is "six hundred seventy million, eight hundred sixty-six thousand, one hundred thirteen".

Divisors: 1 641 701 1493 449341 957013 1046593 670866113