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220131221298 = 2341979225179
BaseRepresentation
bin1100110100000011010…
…1111101111100110010
3210001012022201200112020
43031000311331330302
512101312043040143
6245043224012310
721622025336202
oct3150065757462
9701168650466
10220131221298
11853a237677a
12367b5601096
13179b1c4c441
14a9239a4402
155ad59b0883
hex3340d7df32

220131221298 has 32 divisors (see below), whose sum is σ = 455650090560. Its totient is φ = 70849367040.

The previous prime is 220131221267. The next prime is 220131221311. The reversal of 220131221298 is 892122131022.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4588728 + ... + 4636451.

It is an arithmetic number, because the mean of its divisors is an integer number (14239065330).

Almost surely, 2220131221298 is an apocalyptic number.

220131221298 is an abundant number, since it is smaller than the sum of its proper divisors (235518869262).

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

220131221298 is a wasteful number, since it uses less digits than its factorization.

220131221298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9225322.

The product of its (nonzero) digits is 6912, while the sum is 33.

The spelling of 220131221298 in words is "two hundred twenty billion, one hundred thirty-one million, two hundred twenty-one thousand, two hundred ninety-eight".

Divisors: 1 2 3 6 41 82 97 123 194 246 291 582 3977 7954 11931 23862 9225179 18450358 27675537 55351074 378232339 756464678 894842363 1134697017 1789684726 2269394034 2684527089 5369054178 36688536883 73377073766 110065610649 220131221298