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213221203302 = 23253913996403
BaseRepresentation
bin1100011010010011111…
…0010101110101100110
3202101100202022101211210
43012210332111311212
511443134112001202
6241541422212250
721255551216142
oct3064476256546
9671322271753
10213221203302
11824768a09a8
12353a7424086
13171504901b3
14a469d8c222
15582e01cc6c
hex31a4f95d66

213221203302 has 16 divisors (see below), whose sum is σ = 426610393920. Its totient is φ = 71045736552.

The previous prime is 213221203301. The next prime is 213221203303. The reversal of 213221203302 is 203302122312.

It is a happy number.

213221203302 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (213221203301) and next prime (213221203303).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213221203301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6982968 + ... + 7013435.

It is an arithmetic number, because the mean of its divisors is an integer number (26663149620).

Almost surely, 2213221203302 is an apocalyptic number.

213221203302 is an abundant number, since it is smaller than the sum of its proper divisors (213389190618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213221203302 is a wasteful number, since it uses less digits than its factorization.

213221203302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13998947.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 213221203302 its reverse (203302122312), we get a palindrome (416523325614).

The spelling of 213221203302 in words is "two hundred thirteen billion, two hundred twenty-one million, two hundred three thousand, three hundred two".

Divisors: 1 2 3 6 2539 5078 7617 15234 13996403 27992806 41989209 83978418 35536867217 71073734434 106610601651 213221203302