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BaseRepresentation
bin11101000010110111001011…
…11001001000011110010000
322101010220200120000010222120
432201123211321020132100
531332421300241312041
6343501252111534240
716311312436624065
oct1641334571103620
9271126616003876
1063870020650896
111939513a6299a9
1271b653082a380
132983bbcb52b65
1411ab47b224c6c
1575b614928366
hex3a16e5e48790

63870020650896 has 120 divisors (see below), whose sum is σ = 175328123267040. Its totient is φ = 20031490953216.

The previous prime is 63870020650867. The next prime is 63870020650903. The reversal of 63870020650896 is 69805602007836.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44502460 + ... + 45915236.

It is an arithmetic number, because the mean of its divisors is an integer number (1461067693892).

Almost surely, 263870020650896 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 63870020650896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87664061633520).

63870020650896 is an abundant number, since it is smaller than the sum of its proper divisors (111458102616144).

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

63870020650896 is a wasteful number, since it uses less digits than its factorization.

63870020650896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1416081 (or 1416058 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 60.

The spelling of 63870020650896 in words is "sixty-three trillion, eight hundred seventy billion, twenty million, six hundred fifty thousand, eight hundred ninety-six".