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213312014 = 2137778511
BaseRepresentation
bin11001011011011…
…10001000001110
3112212101101001222
430231232020032
5414101441024
633100003342
75200056626
oct1455561016
9485341058
10213312014
11aa455523
125b530552
1335268536
1420489886
1513ad885e
hexcb6e20e

213312014 has 8 divisors (see below), whose sum is σ = 322303968. Its totient is φ = 105877360.

The previous prime is 213312013. The next prime is 213312017. The reversal of 213312014 is 410213312.

213312014 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 213311983 and 213312001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213312013) 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, 388982 + ... + 389529.

It is an arithmetic number, because the mean of its divisors is an integer number (40287996).

Almost surely, 2213312014 is an apocalyptic number.

213312014 is a deficient number, since it is larger than the sum of its proper divisors (108991954).

213312014 is a wasteful number, since it uses less digits than its factorization.

213312014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778650.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 213312014 is about 14605.2050310840. The cubic root of 213312014 is about 597.5007279275.

Adding to 213312014 its reverse (410213312), we get a palindrome (623525326).

The spelling of 213312014 in words is "two hundred thirteen million, three hundred twelve thousand, fourteen".

Divisors: 1 2 137 274 778511 1557022 106656007 213312014