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206944968960 = 2834531367
BaseRepresentation
bin1100000010111011100…
…0011010000100000000
3201210011100110122220000
43000232320122010000
511342310403001320
6235022540520000
720644201132632
oct3005670320400
9653140418800
10206944968960
117a846049174
1234135550000
13166900c7a72
14a0325d4a52
1555b301cc90
hex302ee1a100

206944968960 has 720 divisors, whose sum is σ = 776589445632. Its totient is φ = 52608061440.

The previous prime is 206944968959. The next prime is 206944968961. The reversal of 206944968960 is 69869449602.

206944968960 is a `hidden beast` number, since 2 + 0 + 6 + 9 + 4 + 496 + 89 + 60 = 666.

It is an interprime number because it is at equal distance from previous prime (206944968959) and next prime (206944968961).

It is a tau number, because it is divible by the number of its divisors (720).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206944968961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 3088730847 + ... + 3088730913.

Almost surely, 2206944968960 is an apocalyptic number.

206944968960 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 206944968960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (388294722816).

206944968960 is an abundant number, since it is smaller than the sum of its proper divisors (569644476672).

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

206944968960 is an frugal number, since it uses more digits than its factorization.

206944968960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193 (or 108 counting only the distinct ones).

The product of its (nonzero) digits is 40310784, while the sum is 63.

The spelling of 206944968960 in words is "two hundred six billion, nine hundred forty-four million, nine hundred sixty-eight thousand, nine hundred sixty".