Search a number
-
+
2212220219982 = 232811789733433
BaseRepresentation
bin100000001100010010100…
…110011011001001001110
321211111010102122000211120
4200030102212123021032
5242221111334014412
64412140244501410
7315553610416413
oct40142246331116
97744112560746
102212220219982
11783219707143
122b88b00aa866
131307c4531936
147910191610a
153c8291c2b8c
hex2031299b24e

2212220219982 has 32 divisors (see below), whose sum is σ = 4442673774240. Its totient is φ = 734370792960.

The previous prime is 2212220219981. The next prime is 2212220220017. The reversal of 2212220219982 is 2899120222122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212220219981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2649538 + ... + 3382970.

It is an arithmetic number, because the mean of its divisors is an integer number (138833555445).

Almost surely, 22212220219982 is an apocalyptic number.

2212220219982 is an abundant number, since it is smaller than the sum of its proper divisors (2230453554258).

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

2212220219982 is a wasteful number, since it uses less digits than its factorization.

2212220219982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735508.

The product of its (nonzero) digits is 82944, while the sum is 42.

The spelling of 2212220219982 in words is "two trillion, two hundred twelve billion, two hundred twenty million, two hundred nineteen thousand, nine hundred eighty-two".

Divisors: 1 2 3 6 281 562 843 1686 1789 3578 5367 10734 502709 733433 1005418 1466866 1508127 2200299 3016254 4400598 206094673 412189346 618284019 1236568038 1312111637 2624223274 3936334911 7872669822 368703369997 737406739994 1106110109991 2212220219982