Search a number
-
+
206960799067 = 11217100612931
BaseRepresentation
bin1100000010111111010…
…0110010110101011011
3201210012110020220201021
43000233310302311123
511342323431032232
6235024304103311
720644452523561
oct3005764626533
9653173226637
10206960799067
117a853a80600
123413a904b37
131669347b1a9
14a034755a31
1555b45e8397
hex302fd32d5b

206960799067 has 12 divisors (see below), whose sum is σ = 240867359208. Its totient is φ = 177078756800.

The previous prime is 206960799041. The next prime is 206960799083. The reversal of 206960799067 is 760997069602.

It is not a de Polignac number, because 206960799067 - 223 = 206952410459 is a prime.

It is a super-2 number, since 2×2069607990672 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 206960798996 and 206960799014.

It is not an unprimeable number, because it can be changed into a prime (206960799037) 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, 50304409 + ... + 50308522.

It is an arithmetic number, because the mean of its divisors is an integer number (20072279934).

Almost surely, 2206960799067 is an apocalyptic number.

206960799067 is a deficient number, since it is larger than the sum of its proper divisors (33906560141).

206960799067 is a wasteful number, since it uses less digits than its factorization.

206960799067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100612970 (or 100612959 counting only the distinct ones).

The product of its (nonzero) digits is 15431472, while the sum is 61.

The spelling of 206960799067 in words is "two hundred six billion, nine hundred sixty million, seven hundred ninety-nine thousand, sixty-seven".

Divisors: 1 11 17 121 187 2057 100612931 1106742241 1710419827 12174164651 18814618097 206960799067