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3213120242 = 215131733563
BaseRepresentation
bin1011111110000100…
…0101001011110010
322021221001102100102
42333201011023302
523040024321432
61250500152402
7142424033333
oct27741051362
98257042312
103213120242
1113a97a4882
12758098702
133c28b36a7
14226a4228a
1513c140962
hexbf8452f2

3213120242 has 16 divisors (see below), whose sum is σ = 4867048512. Its totient is φ = 1590838800.

The previous prime is 3213120143. The next prime is 3213120257. The reversal of 3213120242 is 2420213123.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 78953 + ... + 112515.

It is an arithmetic number, because the mean of its divisors is an integer number (304190532).

Almost surely, 23213120242 is an apocalyptic number.

3213120242 is a deficient number, since it is larger than the sum of its proper divisors (1653928270).

3213120242 is a wasteful number, since it uses less digits than its factorization.

3213120242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34033.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 3213120242 is about 56684.3915200649. The cubic root of 3213120242 is about 1475.6238275929.

Adding to 3213120242 its reverse (2420213123), we get a palindrome (5633333365).

The spelling of 3213120242 in words is "three billion, two hundred thirteen million, one hundred twenty thousand, two hundred forty-two".

Divisors: 1 2 151 302 317 634 33563 47867 67126 95734 5068013 10136026 10639471 21278942 1606560121 3213120242