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3443519989 = 71349177069
BaseRepresentation
bin1100110100111111…
…1111000111110101
322212222120221101101
43031033333013311
524023020114424
61325410330101
7151222302610
oct31517770765
98788527341
103443519989
111507860598
12801289931
1342b5528c0
14249499177
151524a2344
hexcd3ff1f5

3443519989 has 16 divisors (see below), whose sum is σ = 4246865280. Its totient is φ = 2718959040.

The previous prime is 3443519987. The next prime is 3443520131. The reversal of 3443519989 is 9899153443.

It is a happy number.

It is not a de Polignac number, because 3443519989 - 21 = 3443519987 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3443519987) 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, 6147 + ... + 83215.

It is an arithmetic number, because the mean of its divisors is an integer number (265429080).

Almost surely, 23443519989 is an apocalyptic number.

It is an amenable number.

3443519989 is a deficient number, since it is larger than the sum of its proper divisors (803345291).

3443519989 is a wasteful number, since it uses less digits than its factorization.

3443519989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77580.

The product of its digits is 4199040, while the sum is 55.

The square root of 3443519989 is about 58681.5131791947. The cubic root of 3443519989 is about 1510.0831772961.

The spelling of 3443519989 in words is "three billion, four hundred forty-three million, five hundred nineteen thousand, nine hundred eighty-nine".

Divisors: 1 7 13 91 491 3437 6383 44681 77069 539483 1001897 7013279 37840879 264886153 491931427 3443519989