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213203022330 = 23511362891747
BaseRepresentation
bin1100011010001111100…
…0111111000111111010
3202101022111002201020110
43012203320333013322
511443114433203310
6241535532405150
721255240534324
oct3064370770772
9671274081213
10213203022330
1182467603301
12353a13167b6
1317149795a1c
14a4677b8614
15582c62ad20
hex31a3e3f1fa

213203022330 has 32 divisors (see below), whose sum is σ = 516215467584. Its totient is φ = 56351004416.

The previous prime is 213203022317. The next prime is 213203022337. The reversal of 213203022330 is 33220302312.

It is a junction number, because it is equal to n+sod(n) for n = 213203022297 and 213203022306.

It is not an unprimeable number, because it can be changed into a prime (213203022337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31442484 + ... + 31449263.

It is an arithmetic number, because the mean of its divisors is an integer number (16131733362).

Almost surely, 2213203022330 is an apocalyptic number.

213203022330 is an abundant number, since it is smaller than the sum of its proper divisors (303012445254).

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

213203022330 is a wasteful number, since it uses less digits than its factorization.

213203022330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62891870.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 213203022330 its reverse (33220302312), we get a palindrome (246423324642).

The spelling of 213203022330 in words is "two hundred thirteen billion, two hundred three million, twenty-two thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 113 226 339 565 678 1130 1695 3390 62891747 125783494 188675241 314458735 377350482 628917470 943376205 1886752410 7106767411 14213534822 21320302233 35533837055 42640604466 71067674110 106601511165 213203022330