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213120614 = 2715222901
BaseRepresentation
bin11001011001111…
…11011001100110
3112212000122112002
430230333121212
5414024324424
633051525302
75165331620
oct1454773146
9485018462
10213120614
11aa334743
125b459832
13351cc395
1420439c10
1513a9bcae
hexcb3f666

213120614 has 8 divisors (see below), whose sum is σ = 365349648. Its totient is φ = 91337400.

The previous prime is 213120613. The next prime is 213120631. The reversal of 213120614 is 416021312.

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

It is a super-2 number, since 2×2131206142 = 90840792223473992, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213120613) 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 3 ways as a sum of consecutive naturals, for example, 7611437 + ... + 7611464.

It is an arithmetic number, because the mean of its divisors is an integer number (45668706).

Almost surely, 2213120614 is an apocalyptic number.

213120614 is a deficient number, since it is larger than the sum of its proper divisors (152229034).

213120614 is a wasteful number, since it uses less digits than its factorization.

213120614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15222910.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 213120614 is about 14598.6511020710. The cubic root of 213120614 is about 597.3219665302.

Adding to 213120614 its reverse (416021312), we get a palindrome (629141926).

The spelling of 213120614 in words is "two hundred thirteen million, one hundred twenty thousand, six hundred fourteen".

Divisors: 1 2 7 14 15222901 30445802 106560307 213120614