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206368525536 = 253191314911759
BaseRepresentation
bin1100000000110010000…
…1011100110011100000
3201201200011210022011120
43000030201130303200
511340120320304121
6234445425412240
720624001344565
oct3001441346340
9651604708146
10206368525536
117a57a71a748
1233bb449a080
13165ca859394
149db9c2086c
15557c604bc6
hex300c85cce0

206368525536 has 192 divisors, whose sum is σ = 576079257600. Its totient is φ = 64503129600.

The previous prime is 206368525523. The next prime is 206368525579. The reversal of 206368525536 is 635525863602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 117320625 + ... + 117322383.

It is an arithmetic number, because the mean of its divisors is an integer number (3000412800).

Almost surely, 2206368525536 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 206368525536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (288039628800).

206368525536 is an abundant number, since it is smaller than the sum of its proper divisors (369710732064).

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

206368525536 is a wasteful number, since it uses less digits than its factorization.

206368525536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2413 (or 2405 counting only the distinct ones).

The product of its (nonzero) digits is 7776000, while the sum is 51.

The spelling of 206368525536 in words is "two hundred six billion, three hundred sixty-eight million, five hundred twenty-five thousand, five hundred thirty-six".