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206001000206 = 2157316547613
BaseRepresentation
bin1011111111011010011…
…1011100111100001110
3201200201120020002012022
42333312213130330032
511333342224001311
6234345140210142
720611616416301
oct2776647347416
9650646202168
10206001000206
117a401215501
1233b11399952
131656c678281
149d830b0b38
15555a2085db
hex2ff69dcf0e

206001000206 has 8 divisors (see below), whose sum is σ = 309021190344. Its totient is φ = 102993936760.

The previous prime is 206001000193. The next prime is 206001000209. The reversal of 206001000206 is 602000100602.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206001000209) 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, 3242345 + ... + 3305268.

It is an arithmetic number, because the mean of its divisors is an integer number (38627648793).

Almost surely, 2206001000206 is an apocalyptic number.

206001000206 is the 242606-th centered heptagonal number.

206001000206 is a deficient number, since it is larger than the sum of its proper divisors (103020190138).

206001000206 is a wasteful number, since it uses less digits than its factorization.

206001000206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6563346.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 206001000206 its reverse (602000100602), we get a palindrome (808001100808).

The spelling of 206001000206 in words is "two hundred six billion, one million, two hundred six", and thus it is an aban number.

Divisors: 1 2 15731 31462 6547613 13095226 103000500103 206001000206