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207683853020 = 225722319347741
BaseRepresentation
bin1100000101101011101…
…1000001101011011100
3201212001211210212021022
43001122323001223130
511400314031244040
6235224133423312
721001412423600
oct3013273015334
9655054725238
10207683853020
1180095136756
1234300a9ab38
131677a1cca77
14a0a27b1500
155607d216b5

207683853020 has 144 divisors (see below), whose sum is σ = 532154484288. Its totient is φ = 67755663360.

The previous prime is 207683852993. The next prime is 207683853037. The reversal of 207683853020 is 20358386702.

207683853020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 4326350 + ... + 4374090.

It is an arithmetic number, because the mean of its divisors is an integer number (3695517252).

Almost surely, 2207683853020 is an apocalyptic number.

207683853020 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 207683853020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (266077242144).

207683853020 is an abundant number, since it is smaller than the sum of its proper divisors (324470631268).

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

207683853020 is a wasteful number, since it uses less digits than its factorization.

207683853020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47980 (or 47971 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 44.

The spelling of 207683853020 in words is "two hundred seven billion, six hundred eighty-three million, eight hundred fifty-three thousand, twenty".