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1213330222 = 213172745091
BaseRepresentation
bin100100001010001…
…1111001100101110
310010120002120011101
41020110133030232
54441103031342
6320221513314
742032064616
oct11024371456
93116076141
101213330222
11572990a55
1229a41283a
131644b0aa0
14b71dda46
15717c03b7
hex4851f32e

1213330222 has 16 divisors (see below), whose sum is σ = 2075289552. Its totient is φ = 527057280.

The previous prime is 1213330211. The next prime is 1213330241. The reversal of 1213330222 is 2220333121.

It is a self number, because there is not a number n which added to its sum of digits gives 1213330222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1372104 + ... + 1372987.

It is an arithmetic number, because the mean of its divisors is an integer number (129705597).

Almost surely, 21213330222 is an apocalyptic number.

1213330222 is a deficient number, since it is larger than the sum of its proper divisors (861959330).

1213330222 is a wasteful number, since it uses less digits than its factorization.

1213330222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2745123.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1213330222 is about 34832.8899461414. The cubic root of 1213330222 is about 1066.5789423733.

Adding to 1213330222 its reverse (2220333121), we get a palindrome (3433663343).

The spelling of 1213330222 in words is "one billion, two hundred thirteen million, three hundred thirty thousand, two hundred twenty-two".

Divisors: 1 2 13 17 26 34 221 442 2745091 5490182 35686183 46666547 71372366 93333094 606665111 1213330222