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2142142211 = 11414749761
BaseRepresentation
bin111111110101110…
…0111111100000011
312112021211002200102
41333223213330003
513341342022321
6552321313015
7104040623366
oct17753477403
95467732612
102142142211
119aa202170
124b949576b
13281a54791
141646da0dd
15c80ddc0b
hex7fae7f03

2142142211 has 8 divisors (see below), whose sum is σ = 2393880048. Its totient is φ = 1899904000.

The previous prime is 2142142199. The next prime is 2142142259. The reversal of 2142142211 is 1122412412.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2142142211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2142142111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2374430 + ... + 2375331.

It is an arithmetic number, because the mean of its divisors is an integer number (299235006).

Almost surely, 22142142211 is an apocalyptic number.

2142142211 is a deficient number, since it is larger than the sum of its proper divisors (251737837).

2142142211 is a wasteful number, since it uses less digits than its factorization.

2142142211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4749813.

The product of its digits is 256, while the sum is 20.

The square root of 2142142211 is about 46283.2821977871. The cubic root of 2142142211 is about 1289.0885958601.

Adding to 2142142211 its reverse (1122412412), we get a palindrome (3264554623).

The spelling of 2142142211 in words is "two billion, one hundred forty-two million, one hundred forty-two thousand, two hundred eleven".

Divisors: 1 11 41 451 4749761 52247371 194740201 2142142211