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206685071076 = 2231112891214737
BaseRepresentation
bin1100000001111101100…
…0111110011011100100
3201202111020102111000110
43000133120332123210
511341242334233301
6234541054213020
720634564055101
oct3003730763344
9652436374013
10206685071076
117a722375030
12340824b4170
131664b2cb133
14a009c9daa8
15559a2d10d6
hex301f63e6e4

206685071076 has 48 divisors (see below), whose sum is σ = 526516038720. Its totient is φ = 62583198720.

The previous prime is 206685071071. The next prime is 206685071149. The reversal of 206685071076 is 670170586602.

It is not an unprimeable number, because it can be changed into a prime (206685071071) 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, 437221 + ... + 777516.

It is an arithmetic number, because the mean of its divisors is an integer number (10969084140).

Almost surely, 2206685071076 is an apocalyptic number.

It is an amenable number.

206685071076 is an abundant number, since it is smaller than the sum of its proper divisors (319830967644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

206685071076 is a wasteful number, since it uses less digits than its factorization.

206685071076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1216044 (or 1216042 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 48.

The spelling of 206685071076 in words is "two hundred six billion, six hundred eighty-five million, seventy-one thousand, seventy-six".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 1289 2578 3867 5156 7734 14179 15468 28358 42537 56716 85074 170148 1214737 2429474 3644211 4858948 7288422 13362107 14576844 26724214 40086321 53448428 80172642 160345284 1565795993 3131591986 4697387979 6263183972 9394775958 17223755923 18789551916 34447511846 51671267769 68895023692 103342535538 206685071076