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2250221514420 = 22351122392634931
BaseRepresentation
bin100000101111101011101…
…001110110111010110100
321222010012210202210202010
4200233223221312322310
5243331423201430140
64441423144244220
7321400405166325
oct40575351667264
97863183683663
102250221514420
1179834a422100
12304136770670
1313426c4a1089
147aca888444c
153d8004a0880
hex20beba76eb4

2250221514420 has 288 divisors, whose sum is σ = 6982310522880. Its totient is φ = 541050540800.

The previous prime is 2250221514413. The next prime is 2250221514461. The reversal of 2250221514420 is 244151220522.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 456339355 + ... + 456344285.

It is an arithmetic number, because the mean of its divisors is an integer number (24244133760).

Almost surely, 22250221514420 is an apocalyptic number.

2250221514420 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 2250221514420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3491155261440).

2250221514420 is an abundant number, since it is smaller than the sum of its proper divisors (4732089008460).

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

2250221514420 is a wasteful number, since it uses less digits than its factorization.

2250221514420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5467 (or 5454 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

Adding to 2250221514420 its reverse (244151220522), we get a palindrome (2494372734942).

The spelling of 2250221514420 in words is "two trillion, two hundred fifty billion, two hundred twenty-one million, five hundred fourteen thousand, four hundred twenty".