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16201053111 = 343439523547
BaseRepresentation
bin11110001011010100…
…00111001110110111
31112211002010202211010
433011222013032313
5231134432144421
611235340443303
71112322451665
oct170552071667
945732122733
1016201053111
116964087aa1
123181849533
1316b261b979
14ad9949c35
1564c4ac076
hex3c5a873b7

16201053111 has 32 divisors (see below), whose sum is σ = 22237050880. Its totient is φ = 10486161504.

The previous prime is 16201053109. The next prime is 16201053119. The reversal of 16201053111 is 11135010261.

It is a happy number.

It is not a de Polignac number, because 16201053111 - 21 = 16201053109 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 (16201053119) 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, 29617740 + ... + 29618286.

It is an arithmetic number, because the mean of its divisors is an integer number (694907840).

Almost surely, 216201053111 is an apocalyptic number.

16201053111 is a deficient number, since it is larger than the sum of its proper divisors (6035997769).

16201053111 is a wasteful number, since it uses less digits than its factorization.

16201053111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1555.

The product of its (nonzero) digits is 180, while the sum is 21.

Adding to 16201053111 its reverse (11135010261), we get a palindrome (27336063372).

The spelling of 16201053111 in words is "sixteen billion, two hundred one million, fifty-three thousand, one hundred eleven".

Divisors: 1 3 43 129 439 523 547 1317 1569 1641 18877 22489 23521 56631 67467 70563 229597 240133 286081 688791 720399 858243 9872671 10325719 12301483 29618013 30977157 36904449 125589559 376768677 5400351037 16201053111