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4444420111 = 23193235657
BaseRepresentation
bin1000010001110100…
…00111100000001111
3102110201221221020021
410020322013200033
533100232420421
62013003203011
7215064643015
oct41072074017
912421857207
104444420111
11198083967a
12a40516467
1355aa166b1
1430239c8b5
151b02b0341
hex108e8780f

4444420111 has 4 divisors (see below), whose sum is σ = 4637655792. Its totient is φ = 4251184432.

The previous prime is 4444420073. The next prime is 4444420153. The reversal of 4444420111 is 1110244444.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4444420111 - 213 = 4444411919 is a prime.

It is a super-2 number, since 2×44444201112 = 39505740246122504642, which 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 (4444420171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96617806 + ... + 96617851.

It is an arithmetic number, because the mean of its divisors is an integer number (1159413948).

Almost surely, 24444420111 is an apocalyptic number.

4444420111 is a deficient number, since it is larger than the sum of its proper divisors (193235681).

4444420111 is a wasteful number, since it uses less digits than its factorization.

4444420111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193235680.

The product of its (nonzero) digits is 2048, while the sum is 25.

The square root of 4444420111 is about 66666.4841655835. The cubic root of 4444420111 is about 1644.1383823098.

Adding to 4444420111 its reverse (1110244444), we get a palindrome (5554664555).

The spelling of 4444420111 in words is "four billion, four hundred forty-four million, four hundred twenty thousand, one hundred eleven".

Divisors: 1 23 193235657 4444420111