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206125302012 = 223711113220811
BaseRepresentation
bin1011111111111000000…
…1101000000011111100
3201201001020010021012220
42333332001220003330
511334121034131022
6234405340325340
720614656105240
oct2777601500374
9651036107186
10206125302012
117a4653a5273
1233b46b43850
131658c34a236
149d957ca420
1555660ad85c
hex2ffe0680fc

206125302012 has 48 divisors (see below), whose sum is σ = 549719423232. Its totient is φ = 58887377280.

The previous prime is 206125301999. The next prime is 206125302013. The reversal of 206125302012 is 210203521602.

It is a super-3 number, since 3×2061253020123 (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206125302013) 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, 823087 + ... + 1043897.

It is an arithmetic number, because the mean of its divisors is an integer number (11452487984).

Almost surely, 2206125302012 is an apocalyptic number.

It is an amenable number.

206125302012 is an abundant number, since it is smaller than the sum of its proper divisors (343594121220).

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

206125302012 is a wasteful number, since it uses less digits than its factorization.

206125302012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231938 (or 231936 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 206125302012 its reverse (210203521602), we get a palindrome (416328823614).

The spelling of 206125302012 in words is "two hundred six billion, one hundred twenty-five million, three hundred two thousand, twelve".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 11113 22226 33339 44452 66678 77791 133356 155582 220811 233373 311164 441622 466746 662433 883244 933492 1324866 1545677 2649732 3091354 4637031 6182708 9274062 18548124 2453872643 4907745286 7361617929 9815490572 14723235858 17177108501 29446471716 34354217002 51531325503 68708434004 103062651006 206125302012