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224450445312 = 21731029
BaseRepresentation
bin1101000100001001001…
…0100000000000000000
3210110100100010000000000
43101002102200000000
512134133303222222
6251040000000000
722134043210062
oct3210222400000
9713310100000
10224450445312
11872094746a5
1237600000000
131821ca3cab2
14ac13493732
155c89c909ac
hex34424a0000

224450445312 has 396 divisors, whose sum is σ = 696563758170. Its totient is φ = 72236924928.

The previous prime is 224450445301. The next prime is 224450445313. The reversal of 224450445312 is 213544054422.

It can be written as a sum of positive squares in only one way, i.e., 189621927936 + 34828517376 = 435456^2 + 186624^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (224450445313) by changing a digit.

It is a polite number, since it can be written in 21 ways as a sum of consecutive naturals, for example, 7739670514 + ... + 7739670542.

Almost surely, 2224450445312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 224450445312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (348281879085).

224450445312 is an abundant number, since it is smaller than the sum of its proper divisors (472113312858).

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

224450445312 is an frugal number, since it uses more digits than its factorization.

224450445312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93 (or 34 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 36.

Adding to 224450445312 its reverse (213544054422), we get a palindrome (437994499734).

The spelling of 224450445312 in words is "two hundred twenty-four billion, four hundred fifty million, four hundred forty-five thousand, three hundred twelve".