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4005301212 = 22321110114397
BaseRepresentation
bin1110111010111100…
…0000101111011100
3101100010200101100100
43232233000233130
531200324114322
61501235301100
7201153333003
oct35657005734
911303611310
104005301212
1117759850a0
1293944a790
134baa59623
1429dd33c3a
15186970dac
hexeebc0bdc

4005301212 has 36 divisors (see below), whose sum is σ = 11044922616. Its totient is φ = 1213727520.

The previous prime is 4005301207. The next prime is 4005301243. The reversal of 4005301212 is 2121035004.

4005301212 is a `hidden beast` number, since 400 + 53 + 0 + 1 + 212 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 5056803 + ... + 5057594.

It is an arithmetic number, because the mean of its divisors is an integer number (306803406).

Almost surely, 24005301212 is an apocalyptic number.

It is an amenable number.

4005301212 is an abundant number, since it is smaller than the sum of its proper divisors (7039621404).

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

4005301212 is a wasteful number, since it uses less digits than its factorization.

4005301212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10114418 (or 10114413 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 4005301212 is about 63287.4490874771. The cubic root of 4005301212 is about 1588.1020048598.

Adding to 4005301212 its reverse (2121035004), we get a palindrome (6126336216).

The spelling of 4005301212 in words is "four billion, five million, three hundred one thousand, two hundred twelve".

Divisors: 1 2 3 4 6 9 11 12 18 22 33 36 44 66 99 132 198 396 10114397 20228794 30343191 40457588 60686382 91029573 111258367 121372764 182059146 222516734 333775101 364118292 445033468 667550202 1001325303 1335100404 2002650606 4005301212