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206725027157 = 11232233664103
BaseRepresentation
bin1100000010000111000…
…1011001010101010101
3201202121000121110110022
43000201301121111111
511341333101332112
6234545042434525
720635560511115
oct3004161312525
9652530543408
10206725027157
117a742985690
1234093962a45
131665667a99c
14a011301045
15559da74d72
hex3021c59555

206725027157 has 16 divisors (see below), whose sum is σ = 236378677248. Its totient is φ = 178954741680.

The previous prime is 206725027139. The next prime is 206725027163. The reversal of 206725027157 is 751720527602.

It is not a de Polignac number, because 206725027157 - 28 = 206725026901 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 (206725023157) 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, 1775633 + ... + 1888470.

It is an arithmetic number, because the mean of its divisors is an integer number (14773667328).

Almost surely, 2206725027157 is an apocalyptic number.

It is an amenable number.

206725027157 is a deficient number, since it is larger than the sum of its proper divisors (29653650091).

206725027157 is a wasteful number, since it uses less digits than its factorization.

206725027157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3664360.

The product of its (nonzero) digits is 411600, while the sum is 44.

The spelling of 206725027157 in words is "two hundred six billion, seven hundred twenty-five million, twenty-seven thousand, one hundred fifty-seven".

Divisors: 1 11 23 223 253 2453 5129 56419 3664103 40305133 84274369 817094969 927018059 8988044659 18793184287 206725027157