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2212223453140 = 225110611172657
BaseRepresentation
bin100000001100010010110…
…010110000011111010100
321211111010122201021220011
4200030102302300133110
5242221113201000030
64412140442050004
7315553650043501
oct40142262603724
97744118637804
102212223453140
11783220515278
122b88b11a9904
131307c50c444c
14791021184a8
153c829610b2a
hex20312cb07d4

2212223453140 has 12 divisors (see below), whose sum is σ = 4645669251636. Its totient is φ = 884889381248.

The previous prime is 2212223453129. The next prime is 2212223453147. The reversal of 2212223453140 is 413543222122.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1244416105156 + 967807347984 = 1115534^2 + 983772^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212223453147) 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 3 ways as a sum of consecutive naturals, for example, 55305586309 + ... + 55305586348.

It is an arithmetic number, because the mean of its divisors is an integer number (387139104303).

Almost surely, 22212223453140 is an apocalyptic number.

2212223453140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2212223453140 is an abundant number, since it is smaller than the sum of its proper divisors (2433445798496).

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

2212223453140 is a wasteful number, since it uses less digits than its factorization.

2212223453140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110611172666 (or 110611172664 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 2212223453140 its reverse (413543222122), we get a palindrome (2625766675262).

The spelling of 2212223453140 in words is "two trillion, two hundred twelve billion, two hundred twenty-three million, four hundred fifty-three thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 110611172657 221222345314 442444690628 553055863285 1106111726570 2212223453140