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30013331221330 = 253781117111409
BaseRepresentation
bin1101101001100000001011…
…11100100010101101010010
310221021020122122201222012021
412310300011330202231102
512413214300243040310
6143455533425322054
76215251220036542
oct664600574425522
9127236578658167
1030013331221330
119621645034a46
12344894ba9632a
1313993253208b2
1475a91dad5322
15370ab03555da
hex1b4c05f22b52

30013331221330 has 16 divisors (see below), whose sum is σ = 55484104204440. Its totient is φ = 11680864042752.

The previous prime is 30013331221273. The next prime is 30013331221381. The reversal of 30013331221330 is 3312213331003.

It can be written as a sum of positive squares in 4 ways, for example, as 25738870075801 + 4274461145529 = 5073349^2 + 2067477^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30013331221295 and 30013331221304.

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, 40558555335 + ... + 40558556074.

Almost surely, 230013331221330 is an apocalyptic number.

30013331221330 is a deficient number, since it is larger than the sum of its proper divisors (25470772983110).

30013331221330 is a wasteful number, since it uses less digits than its factorization.

30013331221330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81117111453.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 30013331221330 its reverse (3312213331003), we get a palindrome (33325544552333).

The spelling of 30013331221330 in words is "thirty trillion, thirteen billion, three hundred thirty-one million, two hundred twenty-one thousand, three hundred thirty".

Divisors: 1 2 5 10 37 74 185 370 81117111409 162234222818 405585557045 811171114090 3001333122133 6002666244266 15006665610665 30013331221330