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16122441205 = 513248037557
BaseRepresentation
bin11110000001111100…
…01110110111110101
31112121121012212120001
433000332032313311
5231004321104310
611223451511301
71110346326523
oct170076166765
945547185501
1016122441205
116923774782
12315b458531
13169c256350
14acd325313
1564562e93a
hex3c0f8edf5

16122441205 has 8 divisors (see below), whose sum is σ = 20835154872. Its totient is φ = 11905802688.

The previous prime is 16122441197. The next prime is 16122441239. The reversal of 16122441205 is 50214422161.

It can be written as a sum of positive squares in 4 ways, for example, as 50794129 + 16071647076 = 7127^2 + 126774^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16122441205 - 23 = 16122441197 is a prime.

It is a super-2 number, since 2×161224412052 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124018714 + ... + 124018843.

It is an arithmetic number, because the mean of its divisors is an integer number (2604394359).

Almost surely, 216122441205 is an apocalyptic number.

It is an amenable number.

16122441205 is a deficient number, since it is larger than the sum of its proper divisors (4712713667).

16122441205 is a wasteful number, since it uses less digits than its factorization.

16122441205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248037575.

The product of its (nonzero) digits is 3840, while the sum is 28.

Adding to 16122441205 its reverse (50214422161), we get a palindrome (66336863366).

The spelling of 16122441205 in words is "sixteen billion, one hundred twenty-two million, four hundred forty-one thousand, two hundred five".

Divisors: 1 5 13 65 248037557 1240187785 3224488241 16122441205