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208248011012 = 22103351139857
BaseRepresentation
bin1100000111110010001…
…1000111100100000100
3201220112011101001112202
43001330203013210010
511402442442323022
6235400125334032
721021402613226
oct3017443074404
9656464331482
10208248011012
1180354633a28
1234439a07318
131683a059572
14a1176a8416
15563c60e592
hex307c8c7904

208248011012 has 24 divisors (see below), whose sum is σ = 364895171256. Its totient is φ = 103992311808.

The previous prime is 208248011011. The next prime is 208248011053. The reversal of 208248011012 is 210110842802.

It can be written as a sum of positive squares in 4 ways, for example, as 16153393216 + 192094617796 = 127096^2 + 438286^2 .

It is not an unprimeable number, because it can be changed into a prime (208248011011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21121988 + ... + 21131844.

It is an arithmetic number, because the mean of its divisors is an integer number (15203965469).

Almost surely, 2208248011012 is an apocalyptic number.

It is an amenable number.

208248011012 is a deficient number, since it is larger than the sum of its proper divisors (156647160244).

208248011012 is a wasteful number, since it uses less digits than its factorization.

208248011012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16007 (or 16005 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 29.

Adding to 208248011012 its reverse (210110842802), we get a palindrome (418358853814).

The spelling of 208248011012 in words is "two hundred eight billion, two hundred forty-eight million, eleven thousand, twelve".

Divisors: 1 2 4 1033 2066 4132 5113 9857 10226 19714 20452 39428 5281729 10182281 10563458 20364562 21126916 40729124 50398841 100797682 201595364 52062002753 104124005506 208248011012