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13812282828 = 223223136712203
BaseRepresentation
bin11001101110100011…
…01011010111001100
31022122121020200000200
430313101223113030
5211241421022303
610202325053500
7666165316101
oct146721532714
938577220020
1013812282828
115948745583
122815857290
1313c1765526
149505b0aa8
1555c9033a3
hex33746b5cc

13812282828 has 72 divisors (see below), whose sum is σ = 36462037248. Its totient is φ = 4400334048.

The previous prime is 13812282767. The next prime is 13812282833. The reversal of 13812282828 is 82828221831.

13812282828 is a `hidden beast` number, since 1 + 381 + 228 + 28 + 28 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1125775 + ... + 1137977.

It is an arithmetic number, because the mean of its divisors is an integer number (506417184).

Almost surely, 213812282828 is an apocalyptic number.

13812282828 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13812282828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18231018624).

13812282828 is an abundant number, since it is smaller than the sum of its proper divisors (22649754420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13812282828 is a wasteful number, since it uses less digits than its factorization.

13812282828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13603 (or 13598 counting only the distinct ones).

The product of its digits is 196608, while the sum is 45.

The spelling of 13812282828 in words is "thirteen billion, eight hundred twelve million, two hundred eighty-two thousand, eight hundred twenty-eight".

Divisors: 1 2 3 4 6 9 12 18 23 36 46 69 92 138 207 276 414 828 1367 2734 4101 5468 8202 12203 12303 16404 24406 24606 31441 36609 48812 49212 62882 73218 94323 109827 125764 146436 188646 219654 280669 282969 377292 439308 561338 565938 842007 1122676 1131876 1684014 2526021 3368028 5052042 10104084 16681501 33363002 50044503 66726004 100089006 150133509 200178012 300267018 383674523 600534036 767349046 1151023569 1534698092 2302047138 3453070707 4604094276 6906141414 13812282828