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205372667343 = 3317927953269
BaseRepresentation
bin1011111101000100101…
…0100011010111001111
3201122002202220110112210
42333101022203113033
511331100400323333
6234202533001503
720560216604124
oct2772112432717
9648082813483
10205372667343
117a109575748
1233976a83293
131649c43c48c
149d2387074b
15551ee90a63
hex2fd12a35cf

205372667343 has 16 divisors (see below), whose sum is σ = 286241484800. Its totient is φ = 130821294240.

The previous prime is 205372667341. The next prime is 205372667351. The reversal of 205372667343 is 343766273502.

It is not a de Polignac number, because 205372667343 - 21 = 205372667341 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 205372667292 and 205372667301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205372667341) 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, 13969288 + ... + 13983981.

It is an arithmetic number, because the mean of its divisors is an integer number (17890092800).

Almost surely, 2205372667343 is an apocalyptic number.

205372667343 is a deficient number, since it is larger than the sum of its proper divisors (80868817457).

205372667343 is a wasteful number, since it uses less digits than its factorization.

205372667343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27953382.

The product of its (nonzero) digits is 3810240, while the sum is 48.

The spelling of 205372667343 in words is "two hundred five billion, three hundred seventy-two million, six hundred sixty-seven thousand, three hundred forty-three".

Divisors: 1 3 31 79 93 237 2449 7347 27953269 83859807 866551339 2208308251 2599654017 6624924753 68457555781 205372667343