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225897345077760 = 29325415912793169
BaseRepresentation
bin110011010111001111010011…
…000000100101001000000000
31002121211120112101021202020100
4303113033103000211020000
5214102100230314442020
62120235450243242400
765403354540403206
oct6327172300451000
91077746471252210
10225897345077760
1165a8358718a324
1221404503979400
13990804a060365
143dad6c0193076
151b1b195a44a90
hexcd73d3025200

225897345077760 has 960 divisors, whose sum is σ = 815905778688000. Its totient is φ = 57710550712320.

The previous prime is 225897345077741. The next prime is 225897345077827. The reversal of 225897345077760 is 67770543798522.

225897345077760 is a `hidden beast` number, since 2 + 2 + 5 + 89 + 7 + 34 + 507 + 7 + 7 + 6 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (960).

It is a super-2 number, since 2×2258973450777602 (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 71283477456 + ... + 71283480624.

It is an arithmetic number, because the mean of its divisors is an integer number (849901852800).

Almost surely, 2225897345077760 is an apocalyptic number.

225897345077760 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 225897345077760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (407952889344000).

225897345077760 is an abundant number, since it is smaller than the sum of its proper divisors (590008433610240).

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

225897345077760 is a wasteful number, since it uses less digits than its factorization.

225897345077760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4577 (or 4558 counting only the distinct ones).

The product of its (nonzero) digits is 1244678400, while the sum is 72.

The spelling of 225897345077760 in words is "two hundred twenty-five trillion, eight hundred ninety-seven billion, three hundred forty-five million, seventy-seven thousand, seven hundred sixty".