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225621140751360 = 21032531219925603
BaseRepresentation
bin110011010011001110000011…
…111100101100010000000000
31002120212011121020010012001200
4303103032003330230100000
5214033034044013020420
62115504530550101200
765344406124354324
oct6323160374542000
91076764536105050
10225621140751360
1165987430028882
122137aa7b64a800
1398b7ca00ba4b3
143da019b49d984
151b13dcc465b90
hexcd3383f2c400

225621140751360 has 792 divisors, whose sum is σ = 811894329230400. Its totient is φ = 57929960816640.

The previous prime is 225621140751319. The next prime is 225621140751367. The reversal of 225621140751360 is 63157041126522.

225621140751360 is a `hidden beast` number, since 2 + 2 + 5 + 6 + 211 + 4 + 0 + 75 + 1 + 360 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (225621140751367) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 8812280319 + ... + 8812305921.

Almost surely, 2225621140751360 is an apocalyptic number.

225621140751360 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 225621140751360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (405947164615200).

225621140751360 is an abundant number, since it is smaller than the sum of its proper divisors (586273188479040).

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

225621140751360 is a wasteful number, since it uses less digits than its factorization.

225621140751360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25895 (or 25843 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

Adding to 225621140751360 its reverse (63157041126522), we get a palindrome (288778181877882).

The spelling of 225621140751360 in words is "two hundred twenty-five trillion, six hundred twenty-one billion, one hundred forty million, seven hundred fifty-one thousand, three hundred sixty".