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206101107 = 3243532561
BaseRepresentation
bin11000100100011…
…01101001110011
3112100211000120100
430102031221303
5410230213412
632241243443
75051554602
oct1422155163
9470730510
10206101107
11a637a8a3
1259033583
1333912324
141d52da39
1513161edc
hexc48da73

206101107 has 12 divisors (see below), whose sum is σ = 304625464. Its totient is φ = 134205120.

The previous prime is 206101097. The next prime is 206101111. The reversal of 206101107 is 701101602.

206101107 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 206101107 - 224 = 189323891 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 206101107.

It is not an unprimeable number, because it can be changed into a prime (206101177) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 265894 + ... + 266667.

Almost surely, 2206101107 is an apocalyptic number.

206101107 is a deficient number, since it is larger than the sum of its proper divisors (98524357).

206101107 is a wasteful number, since it uses less digits than its factorization.

206101107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532610 (or 532607 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 18.

The square root of 206101107 is about 14356.2218915702. The cubic root of 206101107 is about 590.6906658492.

Adding to 206101107 its reverse (701101602), we get a palindrome (907202709).

The spelling of 206101107 in words is "two hundred six million, one hundred one thousand, one hundred seven".

Divisors: 1 3 9 43 129 387 532561 1597683 4793049 22900123 68700369 206101107