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2212442444140 = 225557284369857
BaseRepresentation
bin100000001100011111110…
…110001001000101101100
321211111200220210012001221
4200030133312021011230
5242222040231203030
64412214303513124
7315562246325305
oct40143766110554
97744626705057
102212442444140
11783323099475
122b89525b87a4
1313082b59a816
14791232417ac
153c83d96be7a
hex2031fd8916c

2212442444140 has 48 divisors (see below), whose sum is σ = 4656174298272. Its totient is φ = 883064784896.

The previous prime is 2212442444123. The next prime is 2212442444159. The reversal of 2212442444140 is 414442442122.

It is a junction number, because it is equal to n+sod(n) for n = 2212442444096 and 2212442444105.

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 15 ways as a sum of consecutive naturals, for example, 31636092 + ... + 31705948.

It is an arithmetic number, because the mean of its divisors is an integer number (97003631214).

Almost surely, 22212442444140 is an apocalyptic number.

2212442444140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2212442444140 is an abundant number, since it is smaller than the sum of its proper divisors (2443731854132).

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

2212442444140 is a wasteful number, since it uses less digits than its factorization.

2212442444140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73266 (or 73264 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 34.

Adding to 2212442444140 its reverse (414442442122), we get a palindrome (2626884886262).

The spelling of 2212442444140 in words is "two trillion, two hundred twelve billion, four hundred forty-two million, four hundred forty-four thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 557 1114 2228 2785 2843 5570 5686 11140 11372 14215 28430 56860 69857 139714 279428 349285 698570 1397140 1583551 3167102 6334204 7917755 15835510 31671020 38910349 77820698 155641396 194551745 198603451 389103490 397206902 778206980 794413804 993017255 1986034510 3972069020 110622122207 221244244414 442488488828 553110611035 1106221222070 2212442444140