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206016147457 = 1319403167249
BaseRepresentation
bin1011111111011110000…
…1001111000000000001
3201200202121201122022121
42333313201033000001
511333410113204312
6234350441004241
720612162234341
oct2776741170001
9650677648277
10206016147457
117a40982089a
1233b16483681
131657284c943
149d850d4d21
15555b6eb707
hex2ff784f001

206016147457 has 8 divisors (see below), whose sum is σ = 207612108000. Its totient is φ = 204420540480.

The previous prime is 206016147439. The next prime is 206016147479. The reversal of 206016147457 is 754741610602.

206016147457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 206016147457 - 27 = 206016147329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (206016147427) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1148169 + ... + 1315417.

It is an arithmetic number, because the mean of its divisors is an integer number (25951513500).

Almost surely, 2206016147457 is an apocalyptic number.

It is an amenable number.

206016147457 is a deficient number, since it is larger than the sum of its proper divisors (1595960543).

206016147457 is a wasteful number, since it uses less digits than its factorization.

206016147457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176783.

The product of its (nonzero) digits is 282240, while the sum is 43.

The spelling of 206016147457 in words is "two hundred six billion, sixteen million, one hundred forty-seven thousand, four hundred fifty-seven".

Divisors: 1 131 9403 167249 1231793 21909619 1572642347 206016147457