Search a number
-
+
2212768006500 = 223537383243469
BaseRepresentation
bin100000001100110011010…
…000000100000101100100
321211112112121101110200010
4200030303100010011210
5242223222102202000
64412310453450220
7315603311501562
oct40146320040544
97745477343603
102212768006500
1178347a942277
122b8a23640970
13130880b7877c
147915458aa32
153c85c329d50
hex20333404164

2212768006500 has 192 divisors, whose sum is σ = 6610572783360. Its totient is φ = 574974028800.

The previous prime is 2212768006499. The next prime is 2212768006507. The reversal of 2212768006500 is 56008672122.

It is not an unprimeable number, because it can be changed into a prime (2212768006507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8966766 + ... + 9210234.

It is an arithmetic number, because the mean of its divisors is an integer number (34430066580).

Almost surely, 22212768006500 is an apocalyptic number.

2212768006500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2212768006500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3305286391680).

2212768006500 is an abundant number, since it is smaller than the sum of its proper divisors (4397804776860).

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

2212768006500 is a wasteful number, since it uses less digits than its factorization.

2212768006500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243647 (or 243635 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The spelling of 2212768006500 in words is "two trillion, two hundred twelve billion, seven hundred sixty-eight million, six thousand, five hundred".