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206150101 = 953216317
BaseRepresentation
bin11000100100110…
…01100111010101
3112100220111202221
430102121213111
5410233300401
632242302341
75052150463
oct1422314725
9470814687
10206150101
11a6403693
12590579b1
133392b711
141d543833
15131717a1
hexc4999d5

206150101 has 4 divisors (see below), whose sum is σ = 206367372. Its totient is φ = 205932832.

The previous prime is 206150099. The next prime is 206150111. The reversal of 206150101 is 101051602.

It is a happy number.

206150101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 129937201 + 76212900 = 11399^2 + 8730^2 .

It is a cyclic number.

It is not a de Polignac number, because 206150101 - 21 = 206150099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206150111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107206 + ... + 109111.

It is an arithmetic number, because the mean of its divisors is an integer number (51591843).

Almost surely, 2206150101 is an apocalyptic number.

It is an amenable number.

206150101 is a deficient number, since it is larger than the sum of its proper divisors (217271).

206150101 is an equidigital number, since it uses as much as digits as its factorization.

206150101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217270.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 206150101 is about 14357.9281583382. The cubic root of 206150101 is about 590.7374681299.

The spelling of 206150101 in words is "two hundred six million, one hundred fifty thousand, one hundred one".

Divisors: 1 953 216317 206150101