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25713803082240 = 29365713219613
BaseRepresentation
bin1011101100010111101100…
…00110010011101000000000
310101001012211011000021000000
411312023312012103220000
511332243332042112430
6130404431424000000
75262522003616620
oct566136606235000
9111035734007000
1025713803082240
118214187534179
122a73610760000
131146a553a8700
1464c7aa1a2880
152e8d1d346e60
hex1762f6193a00

25713803082240 has 3360 divisors, whose sum is σ = 120610880945280. Its totient is φ = 5131401560064.

The previous prime is 25713803082239. The next prime is 25713803082251. The reversal of 25713803082240 is 4228030831752.

25713803082240 is a `hidden beast` number, since 2 + 5 + 71 + 38 + 0 + 308 + 2 + 240 = 666.

It is a tau number, because it is divible by the number of its divisors (3360).

It is a super-2 number, since 2×257138030822402 (a number of 28 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 335 ways as a sum of consecutive naturals, for example, 41947476174 + ... + 41947476786.

Almost surely, 225713803082240 is an apocalyptic number.

25713803082240 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 25713803082240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60305440472640).

25713803082240 is an abundant number, since it is smaller than the sum of its proper divisors (94897077863040).

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

25713803082240 is an equidigital number, since it uses as much as digits as its factorization.

25713803082240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706 (or 662 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The spelling of 25713803082240 in words is "twenty-five trillion, seven hundred thirteen billion, eight hundred three million, eighty-two thousand, two hundred forty".