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21220200302330 = 2537151379813859
BaseRepresentation
bin1001101001100101101101…
…00000000100011011111010
32210010122001020121022000202
410310302312200010123322
510240132432234133310
6113044231521202202
74320052226325431
oct464626640043372
983118036538022
1021220200302330
116841488952267
12246874a190362
13bac096908153
145350c54cc118
1526bebd1a63a5
hex134cb68046fa

21220200302330 has 32 divisors (see below), whose sum is σ = 39488487396480. Its totient is φ = 8203979332800.

The previous prime is 21220200302321. The next prime is 21220200302359. The reversal of 21220200302330 is 3320300202212.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189851060 + ... + 189962799.

It is an arithmetic number, because the mean of its divisors is an integer number (1234015231140).

Almost surely, 221220200302330 is an apocalyptic number.

21220200302330 is a deficient number, since it is larger than the sum of its proper divisors (18268287094150).

21220200302330 is a wasteful number, since it uses less digits than its factorization.

21220200302330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379814054.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 21220200302330 its reverse (3320300202212), we get a palindrome (24540500504542).

The spelling of 21220200302330 in words is "twenty-one trillion, two hundred twenty billion, two hundred million, three hundred two thousand, three hundred thirty".

Divisors: 1 2 5 10 37 74 151 185 302 370 755 1510 5587 11174 27935 55870 379813859 759627718 1899069295 3798138590 14053112783 28106225566 57351892709 70265563915 114703785418 140531127830 286759463545 573518927090 2122020030233 4244040060466 10610100151165 21220200302330