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4181006144 = 26728316063
BaseRepresentation
bin1111100100110101…
…0001011101000000
3101210101022010012102
43321031101131000
532030314144034
61530513245532
7205415652200
oct37115213500
911711263172
104181006144
111856083887
129882638a8
13518288543
142b93d0400
151970cb97e
hexf9351740

4181006144 has 84 divisors (see below), whose sum is σ = 9768132864. Its totient is φ = 1770160896.

The previous prime is 4181006131. The next prime is 4181006147. The reversal of 4181006144 is 4416001814.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4181006147) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 252257 + ... + 268319.

It is an arithmetic number, because the mean of its divisors is an integer number (116287296).

Almost surely, 24181006144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4181006144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4884066432).

4181006144 is an abundant number, since it is smaller than the sum of its proper divisors (5587126720).

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

4181006144 is a wasteful number, since it uses less digits than its factorization.

4181006144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16172 (or 16155 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 4181006144 is about 64660.7001508644. The cubic root of 4181006144 is about 1610.9928092068.

Adding to 4181006144 its reverse (4416001814), we get a palindrome (8597007958).

The spelling of 4181006144 in words is "four billion, one hundred eighty-one million, six thousand, one hundred forty-four".

Divisors: 1 2 4 7 8 14 16 28 32 49 56 64 83 98 112 166 196 224 332 392 448 581 664 784 1162 1328 1568 2324 2656 3136 4067 4648 5312 8134 9296 16063 16268 18592 32126 32536 37184 64252 65072 112441 128504 130144 224882 257008 260288 449764 514016 787087 899528 1028032 1333229 1574174 1799056 2666458 3148348 3598112 5332916 6296696 7196224 9332603 10665832 12593392 18665206 21331664 25186784 37330412 42663328 50373568 65328221 74660824 85326656 130656442 149321648 261312884 298643296 522625768 597286592 1045251536 2090503072 4181006144