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207226101220 = 22517609488533
BaseRepresentation
bin1100000011111110100…
…0110101110111100100
3201210212221110122211221
43000333220311313210
511343344340214340
6235110502310124
720654153540335
oct3007750656744
9653787418757
10207226101220
117a97a805a86
12341b3728344
131670641a908
14a05ba9628c
1555cca5144a
hex303fa35de4

207226101220 has 24 divisors (see below), whose sum is σ = 460773331704. Its totient is φ = 78014532096.

The previous prime is 207226101193. The next prime is 207226101281. The reversal of 207226101220 is 22101622702.

It can be written as a sum of positive squares in 4 ways, for example, as 6903615744 + 200322485476 = 83088^2 + 447574^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 304743927 + ... + 304744606.

It is an arithmetic number, because the mean of its divisors is an integer number (19198888821).

Almost surely, 2207226101220 is an apocalyptic number.

207226101220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

207226101220 is an abundant number, since it is smaller than the sum of its proper divisors (253547230484).

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

207226101220 is a wasteful number, since it uses less digits than its factorization.

207226101220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609488559 (or 609488557 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

Adding to 207226101220 its reverse (22101622702), we get a palindrome (229327723922).

The spelling of 207226101220 in words is "two hundred seven billion, two hundred twenty-six million, one hundred one thousand, two hundred twenty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 609488533 1218977066 2437954132 3047442665 6094885330 10361305061 12189770660 20722610122 41445220244 51806525305 103613050610 207226101220