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30444743999999 = 7311079011145511
BaseRepresentation
bin1101110110000011110000…
…01001101100000111111111
310222210111012112222211120002
412323001320021230013333
512442301313430444444
6144430042230344515
76261363065123630
oct673017011540777
9128714175884502
1030444743999999
1197785a832794a
1234b848b1bb13b
1313cac08928024
14773767bbd887
1537be0e8e3d4e
hex1bb07826c1ff

30444743999999 has 32 divisors (see below), whose sum is σ = 36256319373312. Its totient is φ = 25014740508000.

The previous prime is 30444743999981. The next prime is 30444744000001. The reversal of 30444743999999 is 99999934744403.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30444743999999 is a prime.

It is a super-2 number, since 2×304447439999992 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30444743999959) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 209153654 + ... + 209299164.

It is an arithmetic number, because the mean of its divisors is an integer number (1133009980416).

Almost surely, 230444743999999 is an apocalyptic number.

30444743999999 is a deficient number, since it is larger than the sum of its proper divisors (5811575373313).

30444743999999 is a wasteful number, since it uses less digits than its factorization.

30444743999999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154667.

The product of its (nonzero) digits is 8571080448, while the sum is 83.

The spelling of 30444743999999 in words is "thirty trillion, four hundred forty-four billion, seven hundred forty-three million, nine hundred ninety-nine thousand, nine hundred ninety-nine".

Divisors: 1 7 31 107 217 749 3317 9011 23219 63077 145511 279341 964177 1018577 1955387 4510841 6749239 15569677 29889487 31575887 108987739 209226409 482659987 1311199621 3378619909 9178397347 40647188251 140298359447 284530317757 982088516129 4349249142857 30444743999999