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52297685983872 = 2733731439158849
BaseRepresentation
bin10111110010000100000001…
…11111101110001010000000
320212011121110122200221111000
423321002000333232022000
523323321130102440442
6303121120354052000
714005245261143040
oct1371020077561200
9225147418627430
1052297685983872
111573336238164a
125a4778527a000
13232485c574224
14ccb315b5d720
1560a5b20abd4c
hex2f9080fee280

52297685983872 has 512 divisors, whose sum is σ = 182507212800000. Its totient is φ = 14427159920640.

The previous prime is 52297685983871. The next prime is 52297685983889. The reversal of 52297685983872 is 27838958679225.

52297685983872 is a `hidden beast` number, since 5 + 2 + 2 + 9 + 76 + 85 + 98 + 387 + 2 = 666.

It is a super-2 number, since 2×522976859838722 (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52297685983791 and 52297685983800.

It is not an unprimeable number, because it can be changed into a prime (52297685983871) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 329149504 + ... + 329308352.

It is an arithmetic number, because the mean of its divisors is an integer number (356459400000).

Almost surely, 252297685983872 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 52297685983872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91253606400000).

52297685983872 is an abundant number, since it is smaller than the sum of its proper divisors (130209526816128).

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

52297685983872 is a wasteful number, since it uses less digits than its factorization.

52297685983872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159349 (or 159331 counting only the distinct ones).

The product of its digits is 7315660800, while the sum is 81.

The spelling of 52297685983872 in words is "fifty-two trillion, two hundred ninety-seven billion, six hundred eighty-five million, nine hundred eighty-three thousand, eight hundred seventy-two".