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206605214733 = 3737043133949
BaseRepresentation
bin1100000001101010100…
…0010110010000001101
3201202021200011100201010
43000122220112100031
511341111413332413
6234525122435433
720632604230551
oct3003250262015
9652250140633
10206605214733
117a691291855
123405b802b79
13166378bb268
149ddd433861
1555932a9dc3
hex301aa1640d

206605214733 has 16 divisors (see below), whose sum is σ = 279288964800. Its totient is φ = 135829701504.

The previous prime is 206605214731. The next prime is 206605214773. The reversal of 206605214733 is 337412506602.

It is not a de Polignac number, because 206605214733 - 21 = 206605214731 is a prime.

It is a super-2 number, since 2×2066052147332 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 206605214691 and 206605214700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206605214731) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1475443 + ... + 1609391.

It is an arithmetic number, because the mean of its divisors is an integer number (17455560300).

Almost surely, 2206605214733 is an apocalyptic number.

It is an amenable number.

206605214733 is a deficient number, since it is larger than the sum of its proper divisors (72683750067).

206605214733 is a wasteful number, since it uses less digits than its factorization.

206605214733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141068.

The product of its (nonzero) digits is 181440, while the sum is 39.

The spelling of 206605214733 in words is "two hundred six billion, six hundred five million, two hundred fourteen thousand, seven hundred thirty-three".

Divisors: 1 3 73 219 7043 21129 133949 401847 514139 1542417 9778277 29334831 943402807 2830208421 68868404911 206605214733