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1200030454343 = 71917627511873
BaseRepresentation
bin10001011101100111011…
…000111001001001000111
311020201111012000100111002
4101131213120321021013
5124130130244014333
62315141505203515
7152461605363140
oct21354730711107
94221435010432
101200030454343
11422a259a7976
121746a793059b
13892159bb726
14421205b4ac7
15213377040e8
hex11767639247

1200030454343 has 16 divisors (see below), whose sum is σ = 1443730379520. Its totient is φ = 974403634176.

The previous prime is 1200030454321. The next prime is 1200030454361. The reversal of 1200030454343 is 3434540300021.

It is not a de Polignac number, because 1200030454343 - 226 = 1199963345479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200030454303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2088455 + ... + 2600327.

It is an arithmetic number, because the mean of its divisors is an integer number (90233148720).

Almost surely, 21200030454343 is an apocalyptic number.

1200030454343 is a deficient number, since it is larger than the sum of its proper divisors (243699925177).

1200030454343 is a wasteful number, since it uses less digits than its factorization.

1200030454343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529526.

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 1200030454343 its reverse (3434540300021), we get a palindrome (4634570754364).

The spelling of 1200030454343 in words is "one trillion, two hundred billion, thirty million, four hundred fifty-four thousand, three hundred forty-three".

Divisors: 1 7 19 133 17627 123389 334913 511873 2344391 3583111 9725587 68079109 9022785371 63159497597 171432922049 1200030454343