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208212527907 = 3223134725323
BaseRepresentation
bin1100000111101001101…
…1110000101100100011
3201220102200121022212200
43001322123300230203
511402404401343112
6235352421024243
721020462200026
oct3017233605443
9656380538780
10208212527907
11803365a8a4a
1234429b55083
13168328b4947
14a112aad1bd
155639450cdc
hex307a6f0b23

208212527907 has 6 divisors (see below), whose sum is σ = 300751429212. Its totient is φ = 138808351932.

The previous prime is 208212527891. The next prime is 208212527909. The reversal of 208212527907 is 709725212802.

208212527907 is a `hidden beast` number, since 20 + 8 + 2 + 12 + 527 + 90 + 7 = 666.

208212527907 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 208212527907 - 24 = 208212527891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (208212527909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11567362653 + ... + 11567362670.

It is an arithmetic number, because the mean of its divisors is an integer number (50125238202).

Almost surely, 2208212527907 is an apocalyptic number.

208212527907 is a deficient number, since it is larger than the sum of its proper divisors (92538901305).

208212527907 is a wasteful number, since it uses less digits than its factorization.

208212527907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23134725329 (or 23134725326 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 45.

The spelling of 208212527907 in words is "two hundred eight billion, two hundred twelve million, five hundred twenty-seven thousand, nine hundred seven".

Divisors: 1 3 9 23134725323 69404175969 208212527907