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4144938047 = 12893215623
BaseRepresentation
bin1111011100001110…
…1011110000111111
3101200212102200001222
43313003223300333
531442101004142
61523144223555
7204500251325
oct36703536077
911625380058
104144938047
111837789338
1297816abbb
1351096a583
142b46c1d15
15193d54bd2
hexf70ebc3f

4144938047 has 4 divisors (see below), whose sum is σ = 4148154960. Its totient is φ = 4141721136.

The previous prime is 4144938023. The next prime is 4144938097. The reversal of 4144938047 is 7408394414.

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 4144938047 - 212 = 4144933951 is a prime.

It is a super-2 number, since 2×41449380472 = 34361022826936348418, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4144937989 and 4144938007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4144938097) 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, 1606523 + ... + 1609100.

It is an arithmetic number, because the mean of its divisors is an integer number (1037038740).

Almost surely, 24144938047 is an apocalyptic number.

4144938047 is a deficient number, since it is larger than the sum of its proper divisors (3216913).

4144938047 is a wasteful number, since it uses less digits than its factorization.

4144938047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3216912.

The product of its (nonzero) digits is 387072, while the sum is 44.

The square root of 4144938047 is about 64381.1932710167. The cubic root of 4144938047 is about 1606.3469310367.

The spelling of 4144938047 in words is "four billion, one hundred forty-four million, nine hundred thirty-eight thousand, forty-seven".

Divisors: 1 1289 3215623 4144938047