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2144081406 = 23357346901
BaseRepresentation
bin111111111001100…
…0001010111111110
312112102110121202110
41333303001113332
513342341101111
6552431034450
7104063251125
oct17763012776
95472417673
102144081406
11a00307105
124ba06ba26
1328228332c
14164a82abc
15c83735a6
hex7fcc15fe

2144081406 has 8 divisors (see below), whose sum is σ = 4288162824. Its totient is φ = 714693800.

The previous prime is 2144081393. The next prime is 2144081411. The reversal of 2144081406 is 6041804412.

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

2144081406 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178673445 + ... + 178673456.

It is an arithmetic number, because the mean of its divisors is an integer number (536020353).

Almost surely, 22144081406 is an apocalyptic number.

2144081406 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2144081406 is a wasteful number, since it uses less digits than its factorization.

2144081406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357346906.

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 2144081406 is about 46304.2266537300. The cubic root of 2144081406 is about 1289.4774651899.

Adding to 2144081406 its reverse (6041804412), we get a palindrome (8185885818).

The spelling of 2144081406 in words is "two billion, one hundred forty-four million, eighty-one thousand, four hundred six".

Divisors: 1 2 3 6 357346901 714693802 1072040703 2144081406